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Design of atomically localized magnetic moment by adatoms chemisorbed on graphene Phys. Lett. A (IF 2.6) Pub Date : 2024-03-11 Chong Li, Xuyan Sun, Pengfei Yuan, Fei Wang, Chunyao Niu, Bin Cui, Yu Jia
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Wait time to stochastic self-focusing Phys. Lett. A (IF 2.6) Pub Date : 2024-03-08 A, ., M, ., , Z, h, e, l, t, i, k, o, v
The first passage time extended to stochastic nonlinear beam dynamics emerges as a natural time scale and a meaningful estimator for the expected wait time to the first self-focusing event within a large sample of stochastic laser pulses. We show that the ratio of the laser peak power to the critical power of self-focusing , which plays a central role in deterministic self-focusing, keeps its status
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Measurement-extracted total, classical and quantum correlations Phys. Lett. A (IF 2.6) Pub Date : 2024-03-08 Y, u, a, n, , S, u, n
Measurements are indispensable tools for extracting information about quantum systems. For a bipartite system, local measurements provide a way to probe its correlations. In this work, we study correlations of a bipartite state from the perspective of local measurements. We introduce measurement-extracted total correlations as the average reduction of quantum mutual information caused by this measurement
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A Bohmian trajectory analysis of singular wave functions Phys. Lett. A (IF 2.6) Pub Date : 2024-03-07 Ángel S. Sanz, Luis L. Sánchez-Soto, Andrea Aiello
The Schrödinger equation admits smooth and finite solutions that spontaneously evolve into a singularity, even for a free particle. This blowup is generally ascribed to the intrinsic dispersive character of the associated time evolution. We resort to the notion of quantum Bohmian trajectories to relate this singular behavior to local phase variations, which generate an underlying velocity field responsible
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Controlled linearly chirped similaritons in inhomogeneous birefringent optical fibers Phys. Lett. A (IF 2.6) Pub Date : 2024-03-07 Houria Triki, Baohua Wang, Qin Zhou
By similarity transformation, optical similaritons in a nonlinear birefringent optical fiber are investigated within the framework of two coupled nonlinear Schrödinger equations with space-modulated self- and cross-phase modulation nonlinearities, group velocity dispersion, external electro-optic phase modulation, and gain/loss. We find that the birefringent nonlinear medium with spatial parameter
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Highly spin-polarized current in an antiferromagnetic MnBi2Te4 film Phys. Lett. A (IF 2.6) Pub Date : 2024-03-06 Gen-Hua Liu, Jin-Xiang Yan
The spin polarization of current plays an important role in the performance of spintronic devices. Therefore, a highly spin-polarized current source has always been explored through various methods. We study the effects of magnetic order on the electronic structures of antiferromagnetic (AFM) MnBiTe films. A significant spin splitting is found in the surface states of a AFM MnBiTe film with three septuple
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Quantum α-fidelity of diagonalizable second-order Hamiltonians in multi-dimensional systems Phys. Lett. A (IF 2.6) Pub Date : 2024-03-06 Xiaojing Yan, Zhi Yin, Longsuo Li
How to characterize the similarity between two quantum states has received much attention recently. Motivated by the continued push in this direction, we propose a computable analytical formula for the quantum -fidelity between diagonalizable second-order Hamiltonians, which is simply expressed in terms of the matrix representation of operators. Further, using this analytical formula, we calculate
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Discreteness effects on the fluxon interaction with the dipole impurity in the Josephson transmission line Phys. Lett. A (IF 2.6) Pub Date : 2024-03-04 Ivan O. Starodub, Yaroslav Zolotaryuk
The influence of discreteness on the fluxon scattering on the dipole-like impurity is studied. This kind of impurity is used to model the qubit inductively coupled to the Josephson transmission line (JTL). The previously proposed fluxon assisted readout process of the qubit state is based on measuring the passage time through the dipole impurity. The aim of this work is to clarify the role of the discreteness
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Single-photon sources based on incomplete binary-tree multiplexers with optimized inputs Phys. Lett. A (IF 2.6) Pub Date : 2024-03-04 Peter Adam, Matyas Mechler
We analyze single-photon sources based on minimum-based, maximum-logic output-extended incomplete binary-tree multiplexers assuming different input mean photon numbers in each of the multiplexed units. This approach results in maximal single-photon probabilities higher than those achieved with optimal identical input mean photon numbers. The proposed technique decreases the multiphoton noise of the
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Theoretical exploration of photoemission characteristics of GaAs nanowire array cathode based on photon-enhanced thermionic emission Phys. Lett. A (IF 2.6) Pub Date : 2024-03-01 Yu Diao, Sihao Xia
The theoretical photoemission models of single GaAs nanowire and nanowire array cathode based on photon-enhanced thermionic emission (PETE) mechanism are respectively developed by utilizing two-dimensional continuity equations. Based on the built models in this work, the effect of several key factors on the quantum efficiency are also discussed. Results show that GaAs nanowire cathode exhibits the
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High-order exceptional points and novel light transmission spectra in PT symmetric ring resonator array Phys. Lett. A (IF 2.6) Pub Date : 2024-03-01 Chuanxun Du, Yao-Tong Chen, Lei Du, Jin-Hui Wu
In this paper we construct symmetric 1D multi-mode ring resonator arrays to study the high-order exceptional points and related light transmission spectra. We first focus on arrays with the underling symmetry given by SU(2) group possessing high-order exceptional points (EPs). The Gilmore-Perelomov coherent state approach has been well tested in SU(2) symmetric waveguide array, but how this approach
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The cavitation dynamics of a strongly driven single spherical gas bubble in high viscosity liquids Phys. Lett. A (IF 2.6) Pub Date : 2024-02-29 Kaveh Pasandideh, Sayed Sajjad Mousavi Fard
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Andreev bound states in superconductor-barrier-superconductor junctions of Rarita-Schwinger-Weyl semimetals Phys. Lett. A (IF 2.6) Pub Date : 2024-02-29 I, p, s, i, t, a, , M, a, n, d, a, l
We consider a superconductor-barrier-superconductor configuration built with Rarita-Schwinger-Weyl semimetal, which features four bands crossing at a single nodal point. Assuming a homogeneous s-wave pairing in each superconducting region, and the barrier region created by applying a voltage of magnitude across a piece of normal state semimetal, we apply the BdG formalism to compute the discrete energy
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Dirac particle under dynamical confinement: Fermi acceleration, trembling motion and quantum force Phys. Lett. A (IF 2.6) Pub Date : 2024-02-29 J. Dittrich, S. Rakhmanov, D. Matrasulov
Quantum dynamics of a Dirac particle in a 1D box with moving wall is studied. Dirac equation with time-dependent boundary condition is mapped onto that with static one, but with time-dependent mass. Exact analytical solution of such modified Dirac equation is obtained for massless particle. For massive particle the problem is solved numerically. Time-dependences of the main characteristics of the dynamical
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Many-body t-matrix theory eliminated the infrared divergence on the Bose-Einstein-condensed systems Phys. Lett. A (IF 2.6) Pub Date : 2024-02-29 Won-Sus Ri, Ha Kim, Gwang-Jin Kim, Su-Bok Ri, Jong-Yon Kim
We have proved in the many-body t-matrix approximation for the weakly interacting Bose gas the infrared divergences are exactly removed. We also show that this t-matrix becomes very temperature-dependent and, as the temperature approaches to it vanishes at the transition point. This leads to a smooth change of condensate density and compressibility at , implying the second order phase transition occurs
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Exact numerical analysis of EMEC mode instability in more realistic Cairns distributed non-thermal plasmas Phys. Lett. A (IF 2.6) Pub Date : 2024-02-28 Muhammad Ahsan Shahzad, Mushtaq Ahmad, Muhammad Sarfraz, Muhammad Bilal, Shahzad Mahmood
Non-thermal plasma systems beyond the state of thermal equilibrium must have non-thermality dependent effective temperatures. These particle populations cannot have Maxwellian temperatures which are typically considered at thermal equilibrium in the context of Maxwellian plasmas. Previously, in such dilute environments, numerous non-thermal distributions incorporating the concept of Maxwellian temperature
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Nonlinear phase estimation based on nonlinear interferometers with coherent and squeezed vacuum light Phys. Lett. A (IF 2.6) Pub Date : 2024-02-27 Jian-Dong Zhang, Shuai Wang
Nonlinear interferometers, also known as SU(1,1) interferometers, are unconventional interferometers deploying nonlinear elements. Previous studies showed that they can provide better sensitivity than conventional Mach-Zehnder interferometers regarding the linear phase estimation. In this paper, we make use of nonlinear interferometers with coherent and squeezed vacuum states to perform nonlinear phase
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Anisotropic thermal expansion and themomechanic properties of α-phase group-VA monolayers Phys. Lett. A (IF 2.6) Pub Date : 2024-02-25 Gang Liu, Fengli Cao, Aiqing Guo, Xiaodong Qiu, Hui Wang
The theoretical investigations of anisotropic thermal expansion are quite few as the huge computational cost. In this work, a scheme of Taylor expansion for phonon free energy is introduced to investigate anisotropic thermal expansion, which can save lots of computational cost. The anisotropic thermal expansion and thermomechanic properties of α-phase group-VA monolayers (α-P, α-As, α-Sb and α-Bi)
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On the direct quantization of Proca gauge invariant field Phys. Lett. A (IF 2.6) Pub Date : 2024-02-23 W. Benarab, Z. Belhadi
In this study, we use the generalized integration constants method “GCI” to quantize two fields with constraints. Indeed, Proca field, that describes a massive boson is studied first, based on a Lagrangian without gauge symmetry, in order to determine the necessary brackets for its canonical quantization. Then, another gauge invariant version of this field, obtained by adding an additional scalar field
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Four-state continuous variable quantum key distribution with two accelerating partners Phys. Lett. A (IF 2.6) Pub Date : 2024-02-23 Jiayan Fu, Bangjie Su, Jian Zhou, Ronghua Shi, Jinjing Shi
The field of quantum communication has gradually expanded to include satellites in Earth's orbit. However, for long-distance communication protocols, gravity and its effect on quantum states must be taken into account. By applying the equivalence principle, we can consider that the gravitational effects are equivalent to the acceleration that observers possess. A comprehensive method is proposed to
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Nonequilibrium quantum dynamics and chiral Bloch oscillation in an interacting two-leg ladder induced by defect perturbations Phys. Lett. A (IF 2.6) Pub Date : 2024-02-23 Yue Jian, Ai-Xia Zhang, Zi-Fa Yu, Ju-Kui Xue
The nonequilibrium quantum dynamics and nonlinear chiral Bloch oscillation in interacting flux ladder induced by arbitrarily distributed defects are studied analytically and numerically. Under a time-dependent two-mode approximation, the system with arbitrarily distributed defects can be deduced to the case with single defect and the dynamical behavior of the system can be predicted analytically. The
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A tensor renormalization group analysis of an evolutionary game of competing Ising and Potts subgames Phys. Lett. A (IF 2.6) Pub Date : 2024-02-22 Balázs Király
The temperature-induced phase transitions of an evolutionary game of competing Ising- and Potts-type coordination subgames are studied using the tensor renormalization group method proposed by Michael Levin and Cody P. Nave. Depending on the relative strength of the subgames, a continuous Ising order to disorder or a continuous Potts order to disorder or consecutive first-order Potts order to Ising
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Optimal control of entanglement in atom pairs with dipole-dipole interaction by quantum phase space formalism Phys. Lett. A (IF 2.6) Pub Date : 2024-02-22 O. Morandi
We investigate the entanglement in a two-particle system with continuous degree of freedom constituted by trapped neutral atoms interacting via tunable dipole-dipole interaction. We describe the system in the quantum Wigner phase space representation. The atom entanglement is measured in terms of violation of the non separability condition or of some Bell inequalities. By an optimal control procedure
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Reversal of heat flow and extraction of work by means of initial correlations within open quantum systems Phys. Lett. A (IF 2.6) Pub Date : 2024-02-21 Jin Cai, Yun-Jie Xia, Zhong-Xiao Man
We explore the impact of initial correlations within an open quantum system on the thermodynamic process. The system of interest consists of two interacting subsystems, each embedded in a thermal reservoir. Our findings reveal that when there are initial correlations between the subsystems, heat can be transferred from the colder body to the hotter one or accelerated to flow from the hotter body to
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Dynamical probing of piecewise nonlinear resistor-capacitor inductor shunted Josephson junction circuit embedded in microcontroller implementation Phys. Lett. A (IF 2.6) Pub Date : 2024-02-21 Balamurali Ramakrishnan, Wenceslas Senakpon Coami Ayena, Isidore Komofor Ngongiah, Cyrille Ainamon, D. Chandra Sekhar, Karthikeyan Rajagopal
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Evolutionary game with multiple communities in finite population Phys. Lett. A (IF 2.6) Pub Date : 2024-02-21 Yewei Tao, Kaipeng Hu, Xiaoqian Zhao, Lei Shi
The interactive behavior of organisms within social systems often extends across multiple communities and plays a crucial role in the evolution of the systems. By constructing a finite population-based evolutionary game model, we explore the evolutionary dynamics of cooperative behavior when multiple communities interact jointly. Specifically, increased dilemma strength within community is linked to
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Transmission across a ribbon containing a square [formula omitted] impurity Phys. Lett. A (IF 2.6) Pub Date : 2024-02-21 Cristian Mejía-Cortés, Mario I. Molina
We study the spectrum and transmission coefficient of plane waves propagating along square ribbons of varying widths, containing a square-shaped, -symmetric impurity region. We start with a zero-width ribbon (1D chain) and place a symmetric dimer. The spectrum is computed numerically and the instability gain is computed as a function of the gain/loss dimer strength. The transmission coefficient is
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Breather waves, periodic cross-lump waves and complexiton type solutions for the (2 + 1)-dimensional Kadomtsev-Petviashvili equation in dispersive media Phys. Lett. A (IF 2.6) Pub Date : 2024-02-20 Zil-E-Huma, Asma Rashid Butt, Mohammed Kbiri Alaoui, Nauman Raza, Dumitru Baleanu
The manuscript under consideration explores the (2+1)-dimensional Kadomtsev-Petviashvili (KP) model using its bilinear representation. The focus is on studying the characteristics of periodic cross-lump waves and breather wave solutions. Breathers, which are localized periodic solutions of continuous media equations or discrete lattice equations, are of particular interest. The research also delves
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Calculation of positron lifetimes and momentum distributions of electron-positron annihilation radiation in Mg-doped 3C-SiC Phys. Lett. A (IF 2.6) Pub Date : 2024-02-19 YiLin Liu, AnXiang Zheng, Xian Tang, GuoDong Cheng
We calculated the formation energies of various charge states for , , , and defects in 3-SiC to assess their thermodynamic stability. Using the two-component density functional theory, we determined the positron annihilation lifetimes at 0 K, temperature-dependent positron annihilation lifetimes while considering the electron-phonon coupling interactions, and the positron densities in various charge
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Pressure-induced morphotropic phase boundary and critical points in Pb(Mg1/3Nb2/3)O3–0.3PbTiO3 at room temperature Phys. Lett. A (IF 2.6) Pub Date : 2024-02-19 Jianxun Xie, Wenhui Ma
We find rhombohedral-tetragonal morphotropic phase boundary showing high piezoelectricity in relaxor ferroelectric Pb(MgNb)O–0.3PbTiO subjected to hydrostatic pressure based on a Landau-Ginzburg-Devonshire phenomenological modeling. Room-temperature Curie transitions driven by moderate pressures were investigated by examining evolution of free energy landscape and equations for determining critical
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Modulation of dual-spin filtering by edge-hybridized pairing of β-SiC7 nanoribbons Phys. Lett. A (IF 2.6) Pub Date : 2024-02-16 Jing-Jing He, Fang-Wen Guo, Hui-Min Ni, Jia-Bei Dong, Ying Zhang, Min Hua, Jia-Ren Yuan, Yan-Dong Guo, Xiao-Hong Yan
Atomic capping is a common approach in edge modification to tune band engineering and can be achieved experimentally through hydrogen plasma etching. Based on first-principles calculations, nine symmetric and asymmetric structures are constructed with different numbers of hydrogen atoms passivated at the edge of -SiC nanoribbons. An in-depth study reveals that different edge hydrogenations realize
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Trampoline effect and Helmholtz coupled acoustic metamaterial piezoelectric energy harvesting Phys. Lett. A (IF 2.6) Pub Date : 2024-02-15 Jiahui Zhong, Zhemin Chai, Tong Zheng, Guizhong Li, Jiawei Xiang
Acoustic energy harvesting technology has attracted much attention for its potential to power wireless sensors. In this paper, we propose a Helmholtz coupled metamaterial and introduce the trampoline effect for efficient acoustic energy harvesting. First, a point defect is introduced on the metamaterial plate and a piezoelectric sheet is mounted to realize the concentration and harvesting of acoustic
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The shape of dendritic tips, primary stems and envelopes Phys. Lett. A (IF 2.6) Pub Date : 2024-02-15 Dmitri V. Alexandrov, Peter K. Galenko, Liubov V. Toropova
The generalized shape function for the dendritic tip, primary stem and external envelope is derived and tested against experimental data for succinonitrile and succinonitrile-acetone dendrites. In addition, scaling dependencies for the dendritic shape were obtained in terms of the dendritic primary stem and external envelope. These original scaling relations are in good agreement with previous measurements
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Mechanical behavior of nanocircular plates under coupled surface and nonlocal effects by using molecular dynamics simulations Phys. Lett. A (IF 2.6) Pub Date : 2024-02-15 Feixiang Tang, Siyu He, Shaonan Shi, Fang Dong, Xiaohui Xiao, Sheng Liu
The equations of control for a circular thin plate under simple support are obtained by coupling the surface effect and non-local effect using the equilibrium method. Molecular dynamics simulations were used to calculate the residual surface strain energies at different crystal orientations. Different crystal orientations of the same material would affect its surface energy and thus result in different
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Micromagnetic investigation of dynamic hysteresis and dynamic phase transition properties in Co, Fe and Ni nanodisks Phys. Lett. A (IF 2.6) Pub Date : 2024-02-13 Necda Çam, Ümit Akıncı
We have investigated the dynamical hysteresis behaviors of , and nanodisks under the effect of the time-dependent magnetic field by solving the Landau-Lifshitz-Gilbert equation with the OOMMF software. A nanodisk with a diameter of constructed in the plane is exposed to a sinusoidal x-directed magnetic field with varying frequency and amplitude values. All nanodisks exhibit intricate frequency-dependent
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Significant enhancement of Jc and flux pinning mechanism of MgB2 doped with PEG-polymers Phys. Lett. A (IF 2.6) Pub Date : 2024-02-13 Yutong Liu, Ye Yang, Hao Ni, Cuihua Cheng, Chuan Ke, Yong Zhao
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Stronger entropic uncertainty relations with multiple quantum memories Phys. Lett. A (IF 2.6) Pub Date : 2024-02-09 Tian-Yu Wang, Dong Wang
The uncertainty relation is the basic principle of quantum mechanics, limiting the information obtained when two arbitrary noncommutative measurements are made. In principle, the lower bound of uncertainty relation indicates the limit of uncertainty, therefore to obtain a tight and essential one is basically on demand and nontrivial. In this work, we propose a stronger tripartite entropic uncertainty
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Reconfigurable homodyne detector for vortex beams Phys. Lett. A (IF 2.6) Pub Date : 2024-02-08 A. Pecoraro, F. Cardano, L. Marrucci, A. Porzio
We review the general properties of balanced optical homodyne detectors (BHD) that provide a physical implementation of the quantum field quadrature observable. Then, we discuss the particular case of a BHD designed to span a prescribed sub-space of vortex optical modes carrying orbital angular momentum. By properly tailoring the geometrical features of the local oscillator, mode matching with the
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Revealing non-equilibrium and relaxation in laser heated matter Phys. Lett. A (IF 2.6) Pub Date : 2024-02-08 Jan Vorberger, Thomas R. Preston, Nikita Medvedev, Maximilian P. Böhme, Zhandos A. Moldabekov, Dominik Kraus, Tobias Dornheim
Experiments creating extreme states of matter almost invariably create non-equilibrium states. These are very interesting in their own right but need to be understood even if the ultimate goal is to probe high-pressure or high-temperature equilibrium properties like the equation of state. Here, we report on the capabilities of the newly developed imaginary time correlation function (ITCF) technique
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Relative voltage and current for the self-dual network equation characterized by Dbar data Phys. Lett. A (IF 2.6) Pub Date : 2024-02-06 Chenyang Yao, Junyi Zhu, Xueru Wang
The self-dual network equation is an important model in the electrical signals and the nonlinear, lumped and self-dual ladder-type network. The local (Dbar) approach with non-canonical normalization condition is extended to investigate the self-dual network equation. The associated relative voltage and current for higher-order solitons are characterized by the Dbar data, including the discrete spectrum
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Tunable non-reciprocity of elastic waves in one-dimensional magnetoelastic phononic crystal plate with oblique incident angle Phys. Lett. A (IF 2.6) Pub Date : 2024-02-02 Haihan Luo, Xiangzhen Bu, Hongbo Huang, Jiujiu Chen
In this work, non-reciprocal A wave in a one-dimensional (1D) magnetoelastic phononic crystal (PC) plate is observed by adjusting the magnitude of the external static magnetic field and the angle of incidence of the elastic wave. This phenomenon arises from the both breaking of time-reversal and spatial-inversion symmetries. When the angle between the applied in-plane magnetic field and the wave vector
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Singular spinors as expansion coefficients of local spin-half fermionic and bosonic fields: On the two-fold Wigner degeneracy Phys. Lett. A (IF 2.6) Pub Date : 2024-02-02 R.J. Bueno Rogerio, C.H. Coronado Villalobos
By scrutinizing the singular sector of the Lounesto spinor classification, we investigate the correct definition of the expansion coefficient functions of local fermionic fields within a fully Lorentz covariant theory. As we can observe, a careful definition of the adjoint structure, directed towards local fields, maps singular spinors into class-2 according to a general spinor classification .
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Training iterated protocols for distillation of GHZ states with variational quantum algorithms Phys. Lett. A (IF 2.6) Pub Date : 2024-02-02 Áron Rozgonyi, Gábor Széchenyi, Orsolya Kálmán, Tamás Kiss
We present optimized distillation schemes for preparing Greenberger-Horne-Zeilinger (GHZ) states. Our approach relies on training variational quantum circuits with white noise affected GHZ states as inputs. Optimizing for a single iteration of the scheme, we find that it is possible to achieve an increased fidelity to the GHZ state, although further iterations decrease the fidelity. The same scheme
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Nonlocal dispersion relation of gap plasmons in asymmetric-MIM waveguides Phys. Lett. A (IF 2.6) Pub Date : 2024-02-02 Henglei Du, Wenkang Wang, Chaojin Zhang, Chengpu Liu
In this paper, we combine the classical electrodynamics theory with the generalized nonlocal optical response (GNOR) model to theoretically investigate the propagation behaviors of gap plasmons (GPs) in an asymmetric metal-insulator-metal (A-MIM) waveguide. The nonlocal dispersion relation of GPs is derived, and the computational analysis is conducted for three different types of A-MIM waveguides.
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Quantum-dot helium: An artificial atom with stunning nonlinear properties Phys. Lett. A (IF 2.6) Pub Date : 2024-02-01 Gilbert Reinisch
This paper is about a “ [which] ” [R. P. Feynman, , Princeton 1985]. This number —Sommerfeld's fine-structure constant — appears quite unexpectedly in the nonlinear mean-field description of a non-relativistic quantum system; namely, quantum-dot helium constituted by a pair of 2d parabolically-confined opposite-spin electrons entangled in the same singlet state. I show by an iteration procedure provided
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Propagation of three-dimensional optical solitons in fractional complex Ginzburg-Landau model Phys. Lett. A (IF 2.6) Pub Date : 2024-02-01 Huiling Wang, Xi Peng, Hanying Deng, Shangling He, Dongmei Deng, Yingji He
The fractional complex Ginzburg-Landau equation plays a crucial role in the fields of optics, field theory and superconductivity. The general objective of this paper is to study dynamics of dissipative solitons in the framework of a three-dimensional complex Ginzburg-Landau equation (CGLE) with a fractional order diffraction. We performing numerical analysis of solitons in the fractional CGLE, a thorough
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A harmonic study of electric field nonlinearity and field reversal in collisionless capacitive discharges driven by sawtooth-like waveforms Phys. Lett. A (IF 2.6) Pub Date : 2024-01-28 Sarveshwar Sharma, Nishant Sirse, Miles M Turner, Animesh Kuley
Understanding electron and ion heating phenomenon in capacitively coupled radio-frequency plasma discharges is vital for many plasma processing applications. In this article, using particle-in-cell simulation technique we investigate the collisionless argon discharge excited by temporally asymmetric sawtooth-like waveform. In particular, a systematic study of the electric field nonlinearity and field
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Bifurcation of synchronized nonlinear intercellular Ca2+ oscillations induced by bi-directional paracrine signaling and inositol 1,4,5-triphosphate-cytosolic-Ca2+ interaction Phys. Lett. A (IF 2.6) Pub Date : 2024-01-26 C.B. Tabi, T. Kenne Tiayo, A.S. Etémé, H.P. Ekobena Fouda, T.C. Kofané
Intercellular calcium (Ca2+) waves are numerically studied in a one-dimensional cell network connected via paracrine signaling. The results show that cytosolic Ca2+ oscillations can display chaotic and quasi-periodic behaviors depending on the paracrine coupling strength. Synchronous behaviors of Ca2+ waves are discussed based on the statistical factor of synchronization. Under suitable input from
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Transport properties and electron filter in 8-Pmmn borophene superlattice Phys. Lett. A (IF 2.6) Pub Date : 2024-01-26 Meng-Qian Jiao, Yu-Xian Li
The energy band structures and transport properties in 8-Pmmn borophene superlattice were investigated. It is found that the Dirac point at other energy appears in the energy band structure and the Dirac cone is tilted. As a function of the incident angle, the transmission probability no longer maintains chiral symmetry. The transmission gaps highly dependent on the widths of the well and barrier of
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Nonlinear bandgap transmission by discrete rogue waves induced in a pendulum chain Phys. Lett. A (IF 2.6) Pub Date : 2024-01-24 A.B. Togueu Motcheyo, Masayuki Kimura, Yusuke Doi, Juan F.R. Archilla
We study numerically a discrete, nonlinear lattice, which is formed by a chain of pendula submitted to a harmonic-driving source with constant amplitude and parametrical excitation. A supratransmission phenomenon is obtained after the derivation of the homoclinic threshold for the case when the lattice is driven at one edge. The lattice traps gap solitons when the chain is subjected to a periodic horizontal
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Directed transport of Bose-Einstein Condensates with kicked interactions Phys. Lett. A (IF 2.6) Pub Date : 2024-01-24 Kabir Salihu Suraj, Anatole Kenfack, Collins Ashu Akosa, Gen Tatara
We study the response of a Bose-Einstein Condensate in a δ-kicked optical lattice ratchet potential, with δ-kicked interactions, at quantum resonances. Our results reveal a strong dependency on the kicking strength K and the interaction parameter g˜. A critical curve in the (K,g˜)-space separating quasi-periodicity from full chaos shows that full chaos can be easily achieved for stronger interactions
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Polarization multiplexed multifunctional metasurface for generating longitudinally evolving vector vortex beams Phys. Lett. A (IF 2.6) Pub Date : 2024-01-23 Huaping Zang, Xinyi Zhou, Ziyue Yang, Qiuchi Yu, Chenglong Zheng, Jianquan Yao
Vector vortex beams with special irregular spatial polarized distribution have attracted considerable research attention. Here, we demonstrate a new methodology to design multifunctional metasurfaces with capabilities of generating different vector vortex beams in orthogonally polarized channels. The metasurfaces are designed by using polarization and spatial multiplexing. We craft three metasurfaces
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Investigation of fireball assisted double layer produced in a DC discharge plasma Phys. Lett. A (IF 2.6) Pub Date : 2024-01-24 Paragjyoti Sut, Prarthana Gogoi, Binita Borgohain, Nirab Chandra Adhikary, Heremba Bailung
A stable fireball is produced in front of a positively biased metal disc inside a filamentary dc discharge argon plasma. The measurement of the axial potential profile from the bulk plasma to the fireball shows a monotonic potential change near the boundary between the fireball and bulk plasma indicating the formation of a double layer (DL). The fireball-assisted DL is identified as weak DL with normalized
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Quantum dynamics on tight binding small world networks and flat band spectra Phys. Lett. A (IF 2.6) Pub Date : 2024-01-18 G.P. Tsironis, Efthimios Kaxiras
We investigate spectral features of quantum walks on graphs using tight binding hamiltonians that range from nearest neighbor coupling to fully connected models. For equal strength bonds in the few bond limit we find a transition from square root DOS to a semicircular Wigner-like one while close to the mean field limit a fully degenerate band appears. When long range bonds are weaker than nearest neighbor
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The first-principles investigation on interaction mechanism of Co9S8 with polysulfides in alkali metal-sulfur batteries Phys. Lett. A (IF 2.6) Pub Date : 2024-01-18 Kejie Shen, Jun Wu, Xumin Chen, Junming Xu, Weiqin Sheng, Yurong Cai
Severe shuttle effect will deteriorate electrochemical performances of alkali metal-sulfur batteries involving lithium- or sodium-sulfur batteries. In this paper, the interaction mechanism between Co9S8 and polysulfides (Li2Sn/Na2Sn) has been investigated thoroughly via the first-principles calculations. Both band structure and density of state show the metallicity of Co9S8, implying its positive role
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Treatment of non-Markovian effects to investigate non-locality, dense coding and non-local information Phys. Lett. A (IF 2.6) Pub Date : 2024-01-17 Y. Aiache, C. Seida, K. El Anouz, A. El Allati
In this contribution, we explore the time-evolution of Bell non-locality, dense coding capacity, local and non-local information with an exact solution in a two-qubit system, for the case in which the second qubit is coupled to a Markovian reservoir. Our results reveal a significant relationship between dense coding capacity and the behavior of Bell non-locality. In particular, we observe that optimal