Slow highly charged ions (HCIs) were used to create a plasma region of nanometer scale on the surface of different materials. The creation of the plasma in a localized region is accompanied by the formation of surface nanostructures. The plasma expansion approach is used to explain the creation mechanism of HCI-induced nanostructures in lithium niobate single crystals, considering the Maxwellian and

This work deals with the preparation and characterization of pure and Nickel-doped porous Tin oxide (SnO 2 ) thin films, using Spray pyrolysis technique for an eventual application in optoelectronics. The structural, morphological, optical, and electrical properties of these prepared samples were investigated using various techniques. X-ray diffraction analysis confirmed the tetragonal structure of

The entropy and cooling property of the mixed spin-(1/2, 1) Ising-Heisenberg double saw-tooth ladder are rigorously examined under an adiabatic demagnetization process using the classical transfer-matrix formalism. The model is characterized once by XXX and once by XX interactions between the interstitial Heisenberg dimers. An Ising-type coupling links spins localized on the legs and rungs. We investigate

The two-orbital Hubbard-Kanamori model is studied using the strong coupling diagram technique. This approach allows one to take into account the interactions of electrons with spin, charge, and orbital fluctuations of all ranges. It was found that, at low temperatures, the model has four regions of the negative electron compressibility, which can lead to charge inhomogeneities with the assistance of

In the NUMEN Experiment, Double Charge Exchange (DCE) reactions will be studied to get very precise measurements of their cross sections and final state levels. The interest for these reactions lies in the possibility for some nuclides to have DCE with initial and final states identical to those of the Neutrinoless Double β -Decay. To reach a good precision in the energy measurements, high statistics

In this present article, we devote our study on (2 + 1)-dimensional Nizhnik-Novikov-Vesselov (NNV) equations. To achieve our goal, we utilize various mathematical methods, namely Lie symmetry method, the Exp-function method and N-soliton solutions methods, and attain exact analytical solutions in numerous forms of the NNV system. Firstly, we generate infinitesimal generators, geometric vector fields

We consider a coherently coupled nonlinear Schrödinger equation with modulated self-phase modulation, cross-phase modulation, and four-wave mixing nonlinearities and varying refractive index in anisotropic graded index nonlinear medium. By identifying an appropriate similarity transformation, we obtain a general localized wave solution and investigate their dynamics with a proper set of modulated nonlinearities

We calculate the magnetic field produced by a capacitor formed by two semispherical perfectly conducting plates of radius a , subjected to a potential difference and surrounded by a spherical shell of a topologically insulating material having internal radius r 1 and external radius r 2 . Fixing r 2 = 1 μ m and considering the case where the shell touches the metallic plates, i. e. when r 1 = a , we

Heterojunction diodes are constructed by growing n-type (nitrogen-doped) ultrananocrystalline diamond (UNCD)/hydrogenated amorphous carbon (a-C:H) composite films onto p-type Si substrates in nitrogen and hydrogen mixed-gases by coaxial arc plasma deposition. The fabricated heterojunctions are analyzed regarding their film morphology and electrical properties. The complex structure of UNCD/a-C:H films

The flow through a stretchable cylinder has auspicious uses in many industrial processes like thermal processing of food particles, liquid coating on photographic films and tubular heat exchangers. Motivated from these applications, heat transport through a stagnation-point hybrid nanoliquid flow past a permeable cylinder is scrutinized. Aluminum alloy and magnetite graphene oxide with water-based

Birefringence of lateral Goos-Hänchen (GH) shift in reflection and transmission beams are investigated through four level chiral atomic medium. Significant positive and negative shifts in reflection and transmission birefringence beams are reported under the strength of driving fields. At resonance point, positive birefringent shifts of 2.8 λ and 2 λ are noted in reflection beams. The birefringence

In this paper, we studied a novel form of exact analytical solutions of (2+1)-dimensional Ito equation based on Hirota bilinear method. By using symbolic computation, assorted exact analytical solutions including high-order rational solutions, three-wave solutions, breather solutions and interaction solutions between the above solutions were obtained through choosing the order of terms as well as different

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In this article we study nonlinear waves in Hall plasmas. We consider magnetosonic waves propagating at the angles with respect to the equilibrium magnetic field that are not close to either 0 or π /2. Using the reductive perturbation method we derive the three-dimensional Kadomtsev-Petviashvili (KP) equation. We use the KP equation to show that both fast and slow magnetosonic solitons are unstable

Exact prediction of the mechanical behavior of nano-sensors and nano-actuators directly depends on the models applied to analyze their nano-components. From their dynamic behavior point of view, despite many studies related to the geometrical nonlinearities in modeling the nanostructures, one of the main issues that has not been addressed appropriately is the effects of material nonlinearity. Hence

In this paper, we design and investigate a zigzag reflective multifunctional metamaterial (ZRMM) made by folding a planar metamaterial with horizontal strip structure. It has better absorption and polarization conversion performance compared to planar structures, which can achieve multiple absorption, broad-band cross-polarization conversion, broad-band linear-to-circular and circular-to-linear polarization

Synthesized hexagonal phases, Re 3 N and Re 2 N, have always been considered to be the ground-state structures of ruthenium-nitrides systems, whereas theoretical studies proposed cubic ( F -43m), tetragonal ( P 4 2 /mnm), orthorhombic ( P bca, P bcn), hexagonal ( P -6m2, P 6 3 /mmc), and monoclinc ( C 2/m) crystal phases as the stable ground state structure of Re-N systems. However, the present state-of-the-art

We present a study for the measurement of possible anomalous quartic gauge couplings (aQGCs) in simulated proton-proton collisions at center-of-mass energy ##IMG## [http://ej.iop.org/images/1402-4896/95/8/084013/psab9790ieqn1.gif] {$\sqrt{s}=13$} TeV with two Z bosons and two jets in the final state where the two bosons decay to charged leptons ( ##IMG## [http://ej.iop.org/images/1402-4896/95/8/084013/psab9790ieqn2

The variable separation approach is an important tool to obtain exact localized and fractal structure solutions of higher dimensional nonlinear problems. The general separable solutions involving double random functions are obtained by means of Riccati equation and the variable separation hypothesis. By choosing the suitable arbitrary functions, we obtain a class of localized excitations and fractal

In this paper, we consider the (1+1)-dimensional chiral nonlinear Schrödinger equation forced by multiplicative noise. We apply two different methods, namely the Riccati-Bernoulli method and He’s semi-inverse method to obtain new hyperbolic, trigonometric and rational stochastic exact solutions. Also, we show the effect of multiplicative noise on the exact solution of (1+1)-dimensional Chiral nonlinear

The scattering of electroweak bosons tests the gauge structure of the Standard Model and is sensitive to anomalous quartic gauge couplings. In this document, we present recent results on vector-boson scattering from the ATLAS experiment using proton-proton collisions with a center-of-mass energy of ##IMG## [http://ej.iop.org/images/1402-4896/95/8/084014/psaba0f6ieqn1.gif] {$13\,\mathrm{TeV}$} at the

In this paper, low frequency ( ##IMG## [http://ej.iop.org/images/1402-4896/95/8/085608/psaba4c3ieqn1.gif] {$\omega \ll {{\rm{\Omega }}}_{{ci}}$} ) two dimensional wave propagating in an electron-ion magnetoplasma is analytically studied in the presence of background density and ion temperature gradient using two fluid theory. Electrons are assumed to follow non-Maxwellian distribution, namely, kappa

The mathematical discontinuity existing in the phase-difference dynamic model for the Josephson junction results in the challenge of the dynamic analysis on the Josephson junction. Focusing on the non-smooth characteristics of the dynamic model for the long 0- π Josephson junction, two typical local dynamic behaviors, including the moving breather and the semifluxon interaction, are investigated by

The motion of a charged particle around a deformed Schwarzschild black hole in an external magnetic field is studied. If a magnetic parameter is small, the sign and magnitude of deformation parameter affect the shape of effective potential. The radius of an innermost stable circular orbit on the equatorial plane increases as the magnitude of negative deformation parameter increases, but decreases as

In organic field effect transistors (OFETs), the accumulation channel for charge transport occurs within few layers on the top of gate dielectric. However this is the most poorly known parameter in OFETs, as it is extremely difficult to determine the charge accumulation thickness experimentally in unipolar OFETs. With the main objective to determine the thickness of accumulation channel, we have fabricated

Based on one-dimensional (1D) ballistic conductors, a model of three-terminal nanowire heat engines is proposed in this paper. With the help of Landauer formula, the expressions of the charge and energy currents flowing from two electron reservoirs are derived, and then the output power and efficiency of the heat engine are obtained. Next, in the linear response regime an explicit analytic analysis

We investigate the dynamics of both quantum discord and concurrence within two excitonic qubits embedded in two coupled semiconductor quantum dots independently interacting with dephasing reservoirs. Their behavior in both Markovian and non-Markovian environments is explored against the dimensionless time and the temperature. Moreover, the effects of the external electric field on these correlations

In a subject of ‘optical angular momentum (OAM) and optical vortex’, a twisted light (also referred to as a ‘spiralling optical field’) possesses a helical wavefront. Recently, a new advance in the twisted light is Rego et al 's discovery of self-torque effect that can cause an intrinsic angular acceleration (DOI: 10.1126/science.aaw9486 [http://10.1126/science.aaw9486] ). Such a self-torque effect

Enhancement of the interaction between monolayer or few-layers graphene and light is crucial to the potential applications of graphene-based optoelectronic devices. Recently, various nanostructured graphene has been proposed to achieve efficient optical absorption, whereas the bandwidth of the enhanced spectral absorption is always fairly narrow, which might be disadvantageous to their opt-electrical

The Nuclotron-based Ion Collider fAcility (NICA) is currently under construction at JINR (Dubna, Russia). The new facility will be a significant extension of the existing Nuclotron accelerator chain and comprises a sequence of machines for providing beams from protons to gold ions, as well as polarized protons and deuterons. The main goal of the Multi-Purpose Detector (MPD) experiment at NICA will

In this work, we are investigating a series of new optical soliton solutions to the perturbed nonlinear Schrödinger equation (PNLSE) having the form of kerr law nonlinearity with conformable space-time fractional. Thereby, two relevant integration tools known as new extended direct algebraic method and extended hyperbolic function method are applied to obtain varieties of optical soliton solutions

A new method is used to construct the claw network. The weight of edge in next generation on claw network is related to the strength of the node in former generation. Then we calculate the exact expression of the average receiving time (ART) on claw network after dividing the whole network into four blocks. The result of ART indicates that ART grows exponentially with the network order as a power-law

A theoretical approach is developed to study systematically the influence of the nuclear surface tension coefficient, γ , of the proximity formalism on the isotopic behavior of the fusion dynamics over a wide range of neutron-rich colliding systems with condition of1 ≤ N / Z < 1.6 for their compound nuclei. Here six different versions of the surface energy coefficient ( γ -PD03, γ -MS67, γ -MS66, γ

The purpose of this article is to explore simultaneous impact of dust and nano particles on thermal performance of yield stress exhibiting fluid (Casson fluid) through numerical simulations. Therefore, for mathematical formulation, conservation laws for dust and fluid phases with yield stress constitutive equation for Casson fluid are used. No slip theory is applied for the development of boundary

We have studied the pulse shaping of the chirped laser pulse by the reflection from the linear plasma density ramp. The temporal profile of the frequency in the chirped laser pulse manifests in distinct apparent reflection points inside the plasma having a linear density profile. The higher frequency component reflects from the deeper portion of the plasma as compared to the lower frequency component

A novel design of one dimensional annular photonic crystals with a low birefringence nematic liquid crystal as a defect layer is introduced. The output field of the sensor structure is plotted after different optimization steps on all constituents such as thickness and core radius of the starting medium. The performance of the sensor was studied using different quality parameters such as sensitivity

In this paper, free heat transfer ( ##IMG## [http://ej.iop.org/images/1402-4896/95/8/085702/psab93e4ieqn1.gif] {${H}_{T}$} ) and the entropy generation ( ##IMG## [http://ej.iop.org/images/1402-4896/95/8/085702/psab93e4ieqn2.gif] {${E}_{gen}$} ) of Alumina/ ##IMG## [http://ej.iop.org/images/1402-4896/95/8/085702/psab93e4ieqn3.gif] {${H}_{2}O$} nanofluid (NF) in an square cavity (CV) are simulated owing

The degradation of quantum semiconductor plasma during electron pumping is an important problem since it has several applications in the technological industry. Moreover, the identification of such a problem cannot be accomplished by experiment alone and a further theoretical investigation is required. Owing to the energy gap of semiconductors, electrons should acquire energy in order to move from

The pH value for different concentrations of aqueous Laponite ® is varied through the range 0.445 to 13.450. The resulting crack patterns show four significant changes: (i)Near the acidic to basic crossover region pH 7: (a) The texture of the dried film changes from an opaque frosted look to a clear glassy appearance, (b) the pattern of cracks changes from an irregular fractal assembly of islands to

This work is a critical re-analysis of the results obtained by the AMADEUS collaboration, concerning the measurement of the K − multi-nucleon absorption reactions, on a 12 C target, in the Λp final state (Del Grande et al 2019 Eur. Phys. J. C 79 , 190). We show that a good estimate of the K − two-nucleon absorption total branching ratio can be extracted, given that the measured final state interactions

In this study, the structural stabilities of trimetallic 55-atom icosahedral Cu-Au-Pt nanoalloys with six different nanoalloy systems were investigated. Cu-Au-Pt nanoalloy systems were defined with fixed 13 atom and 42 atom while the loading of other two type atoms varies. The most stable structures of Cu 13 Au n Pt 42-n , Au 13 Cu n Pt 42-n , Pt 13 Au n Cu 42-n, Cu 42 Au n Pt 13-n, Au 42 Cu n Pt 13-n

External magnetic field effects on the dispersion properties of hybrid plasmon polariton (HPP) modes are theoretically investigated in a collisional warm magnetized planar conductor–gap–dielectric (CGD) system. This structure consists of a high index dielectric, separated from a warm metallic plasma with a low index nano-sized dielectric layer. The Magnetohydrodynamics model (MHD) coupled to Maxwell’s

Among the two past decades, the biodiesel fuels received a significant attention due to its lower hydrocarbon emissions and low sulfur diesel. However, the incomplete transesterification represents the main problem for the possibility of wider use. Thus, we present in this research a new method for detecting and measuring of methyl ester biodiesel fuel based on its optical characteristics. The proposed

Non-collinear spin density functional theory calculations were employed to study structural, magnetic, and electronic properties of the hexagonal LuMnO 3 compound in its ferroelectric phase. For that purpose, it was utilized full-potential linearized augmented plane wave plus local orbitals method, for the first time. The exchange and correlation effects were treated in the frame of the local spin

We explore a new class of Non-linear GUPs (NLGUP) showing the emergence of a new non-commutative and higher derivatives of quantum mechanics. Within it, we introduce the shortest fundamental scale as a UV fixed point in the NLGUP commutators ##IMG## [http://ej.iop.org/images/1402-4896/95/8/085304/psaba200ieqn1.gif] {$[X,P]=i{\hslash }f(P)$} , having in mind a fundamental highest energy threshold related

The low–lying electronic states (doublet and quartet) of the diatomic molecules BeK, BeRb and BeCs have been investigated theoretically based on the ab initio Complete Active Space Self Consistent Field (CASSF), and the Multi-Reference Configuration Interaction with Davidson correction MRCI+ Q. The potential energy (PECs) and dipole moment (DMs) curves have been investigated for the 25, 28, and 24

Herein, we present a scheme to prepare a hybrid-entangled W state that possesses the polarization states of two photons and the time-bin using cross-Kerr nonlinearities (XKNLs) and linearly optical devices. To maximize the merit of the entangled W state that can conserve entanglement against the loss of one qubit, we propose a method to prepare a two-photon hybrid-entangled W state correlated with

ALICE (A Large Ion Collider Experiment) is the CERN LHC experiment optimized for the study of the strongly interacting matter produced in heavy-ion collisions, in particular the characterization of the quark-gluon plasma. After the successful operation of the experiment during the first two runs of the LHC, the ALICE collaboration is currently working on a major upgrade of its detectors, to be installed

The present paper reports the interconnection between cation distribution and physical properties of Co 1− x Ni x Fe 2 O 4(0 ≤ x ≤ 1) samples to tune them for suitable applications at room temperature. A set of five Co 1− x Ni x Fe 2 O 4 (CNFO) samples with different nickel concentration ( x ) were prepared by using citrate-based ‘sol-gel’ method. The x-ray diffraction (XRD), Raman spectroscopic and

An extensive study on the search of stable isotopes for Z = 119 and 121 superheavy nuclei is performed within relativistic mean field model with NL3 force for axially deformed nuclei. Our search is accomplished in the mass region,289 ≤ A ≤ 339. The ground state properties such as binding energy, quadrupole deformation, root-mean square radius etc are calculated and compared with finite range droplet

Moving vortex lattice in type-II superconductors can result in the radiation of electromagnetic waves in the range of terahertz frequency. The vortex flow dynamics in superconductors follow the London equation. In this paper, the effects of the superconductor coherence length and the London penetration depth on the radiated power is investigated by solving the London equation in the presence of vortices

We have studied the scattering of bi-photon input pulses from a six-port interferometer given by 3x3 unitary matrix, with different coincidences at the three output ports. The distinguishability of photons is introduced by taking time delays in the input. We observe different patterns of dips and peaks in coincidence probabilities by varying the time delays, manifesting destructive and constructive

This work reports on differential, integrated and momentum transfer cross sections for the elastic scattering of electrons and positrons off the ions of nitrogen isonuclear series (N + - N 7+ ) over the energy range 1–500 eV. Calculations of these observable quantities involve the solution of Dirac relativistic wave equation employing a pure Coulomb potential and a short range potential. The latter

We analyze azimuthal modulation of probe field absorption profile in a closed four-level inverted Y-type atomic system. We employ a Laguerre–Gaussian beam and a microwave field to realize spatially varying atomic susceptibility, which is responsible for the generation of structured light. An extra nonvortex control beam is used to ensure electromagnetically induced transparency at the core of Laguerre–Gaussian

We theoretically analyze the performance of all-optical multifunctional AND, NOT-OR (NOR), and exclusive-NOR (XNOR) logic gates at 80 Gb s −1 using return-to-zero data format in a compact scheme based on semiconductor optical amplifiers (SOAs). The AND logic gate is formed by incorporating two SOAs in a Mach–Zehnder interferometer and the NOR logic gate is formed using a single SOA followed by a series

We study the non-Markovianity and quantum speedup of a two-level atom (quantum system of interest) in a dissipative Jaynes-Cumming model, where the atom is embedded in a single-mode cavity, which is leaky being coupled to an external reservoir with Ohmic spectral density. We obtain the non-Markovianity characterized by using the probability of the atomic excited state and the negative decoherence rate

It is shown how relativistic and gauge invariance come into play as basic ingredients to get the Green’s function for a Dirac particle interacting with a classical plane wave field in the vacuum. This point of view is also illustrated in the case of two electromagnetic plane waves having orthogonal propagating directions in the vacuum.

We compute the quasinormal frequencies for scalar perturbations of hairy black holes in four-dimensional Einstein-Maxwell-dilaton theory assuming a non-trivial scalar potential for the dilaton field. We investigate the impact on the spectrum of the angular degree, the overtone number, the charges of the black hole as well as the magnitude of the scalar potential. All modes are found to be stable. Our

In this study, the heat deposition characteristics of laser filaments formed by femtosecond laser pulses with different initial energy under influences of external focusing are numerically investigated by means of (3 D + 1)-dimensional numerical simulations. The results indicate that the numbers and intensity of filaments increase with growth of the input energy. The formation of multiple filaments

The correlation between physico-chemical, optical, and thermal properties of (GeS 2 ) 60 (Sb 2 S 3 ) 40−x (CdCl 2 ) x ( x = 0, 10, 20, 30, and 40 mol%) chalcohalide glasses was systematically investigated through the replacement of Sb 2 S 3 by CdCl 2 . The optical band gap was estimated based on the system density, and it was turned out that it hardly increased from 2.16 to 2.3 eV with increasing CdCl