The ratio of particles’ yield: π−/π+, K−/K+, \(\bar{p}\)/\(p\), and \(p /\pi\), \(K /\pi\) and \(p /K\) is measured as a function of pseudorapidity (η) in pp collisions at √s = 0.9 TeV using different hadron production models. The ratio measured in the three different transverse momentum (pT) regions was: 0 < pT < 0.8 GeV/c, 0.8 < pT < 1.2 GeV/c and pT > 1.2 GeV/c and at pseudorapidity regions of 3

Cerium (Ce3+)-substituted cobalt–nickel (Co–Ni) ferrite nanostructures of spinel cubic phase with space group Fd\(\bar{3}\)m had been successfully engineered by solution combustion route. The effect of Ce3+ substitution on the structural, morphological, dielectric, and impedance spectroscopic investigations are probed by using X-ray diffraction (XRD), scanning electron microscope (SEM), and impedance

Hybrid plasmonic waveguide (HPW) has offered the promise to combine long propagation lengths and strong modal confinement at sub-wavelength scale. All-optical signal processing can be achieved by relying on nonlinear optical interactions such as Kerr nonlinear effect. It is essential to provide sufficient information in order to characterize the nonlinear optical performance of nonlinear HPW (NLHPW)

This research reports the global atmospheric boundary layer height (ABLH, which is also known as the planetary boundary layer, PBLH) features estimated using COSMIC radio occultation (RO) retrieved temperature profiles during March, April, and May in 2015. Important analytical techniques including the vertical gradient and logarithmic gradient methods applied effectively on temperature profiles have

We have studied the α-decay chains of superheavy nuclei Z = 123 in the range 265 ≤ A ≤ 316. The nuclei 303–308123 were found to have longer half-lives and hence could be detected them if synthesized in a laboratory. After identifying the possible isotopes, we have identified the most probable projectile–target combinations by studying the fusion cross section, evaporation residue cross section, compound

The generalized Kadomtsive–Petviashvili modified equal width-Burgers (KP-MEW-B) equation described the propagation of long-wave with dissipation and dispersion in nonlinear media. We investigated the solitary wave solutions of generalized KP-MEW-B equation by applying modification form of extended auxiliary equation mapping method. As a results, families of solitary wave solutions are obtained in different

In this paper, a general solution to the field equations of a generalized thermoelastic medium with double porosity has been obtained. To investigate the problem, we use the Lord–Shulman theory in the thermoelasticity. The half-space of an isotropic homogeneous thermoelastic material is considered. Using the normal mode analysis and the numerical inversion technique, the analytic expressions of the

In this article, new exact solutions of the dual-core optical fibers model are determined by using the Riccati–Bernoulli sub-ODE method. As a result, rational, trigonometric, hyperbolic and exponential functions and a variety of special solutions like kink-shaped, bell-type soliton solutions are established. We also consider the linear stability analysis for the dual-core optical fibers model. We also

An attempt has been made to study the consequences of stagnation point flow of nanomaterial toward nonlinear variable sheet. Nanoparticles comprise Brownian movement and thermophoresis effects. Thermal radiation and convective boundary conditions are considered. Applied magnetic flux of strength (\(B_{0}\)) is implemented in vertical direction. The nonlinear system is tackled through homotopy method

Dielectric relaxation of propylene carbonate (j) dissolved in p-xylene, cyclohexane and n-heptane (i) at different weight fractions (\( w_{j}^{{\prime }} \) s) of solutes for 28, 33 and 38 °C temperatures is studied under 3.8 GHz (S-Band), 7.2 GHz (C-Band), 10.5 GHz (X-Band) and 17.6 GHz (Ku-Band) electric field using simultaneously susceptibility (\( \chi_{ij}^{{\prime }} \) s) and conductivity (\(

Self-similar solutions are determined for one-dimensional unsteady and cylindrically symmetric flow, driven by a moving piston in a dusty gas. Solid particles of the gas are continuously distributed. The medium has been taken uniform. It is supposed that the equilibrium condition for the flow holds and the piston continuously supplied the variable energy input. Solutions are determined for both types

In this work, an electron which is strongly coupled to the strong electron–phonon (e–p) in RbCl quantum pseudodot qubit is considered. First, we employ the Pekar variational method and obtain the eigenenergies and eigenfunctions of the ground and the first excited states of the system. Then, we have employed three different entropies such as Tsallis, Landsberg–Vedral, and Escort for the system subjected

The electrons scattered by the defects in the channel can be described by the time-dependent Schrödinger equation. An analytical and physical model of the time evolution of the source–drain current in a transistor at a given defect density has been proposed. It clearly shows that the source–drain current is composed of direct-current and a lot of alternating-current components. And thus the source–drain

Energies, weighted oscillator strengths (gf), line strengths (S) and radiative rates (A) for allowed and forbidden transitions are presented for 2s2p62S1/2 − 2s22p52P1/2, 2P3/2 and 2s22p52P1/2 − 2s22p52P3/2 transitions in fluorine-like Ca XII (Z = 20), Ti XIV (Z = 22), Cr XVI (Z = 24), Fe XVIII (Z = 26) and Ni XX (Z = 28) ions. Moreover, the allowed electric dipole (E1) and the forbidden electric quadrupole

This paper is dealing with the rutile structure of TiO2 and the effect due to the vacancy of oxygen at a particular site by the first-principle calculation. The geometric places of oxygen site and the attribution of single and double sites were investigated in this study. The TiO2 with selected site vacancies of oxygen can be treated as TiO2−δ (the form of defects in rutile). The DFT calculations have

Chromium oxide (Cr2O3) thin films were prepared by the pulsed laser deposition (PLD) technique onto glass substrates using different laser pulse energies (500–900 mJ). The thickness of the prepared films ranged from 177.3 to 372.4 nm. The X-ray diffraction (XRD) study revealed that Cr2O3 thin films are amorphous, but they converted to the rhombohedral crystalline structure with space symmetry group

The effects of parabolic and shifted parabolic potentials on centred hydrogenic impurity-related binding energies are studied. This is theoretically achieved by solving the Schrödinger equation within the effective mass approximation. The hydrogenic impurity situates in the core of a spatially constant electrostatic potential, surrounded by a shell material which has either an intrinsic parabolic potential

This investigation is to study the effect of magnetic field and thermal loading due to pulsed laser heating on a rotating micro-stretch thermoelastic medium. The bounding plane surface is heated by a non-Gaussian laser beam. The problem is studied in the context of the dual-phase-lag model, Lord and Shulman theory and Green–Naghdi theory of type II. The normal mode analysis is used to solve the problem

The synchronization properties of a random network having distance-dependent delay among nodes have been studied here. With the variation in rewiring probability, synchronized fixed point orbit of different sizes generates. Comparison of the synchronization properties of such network has been made with fully random network having no delay and network having fixed delay.

The effect of doping glassy Se98Te2 alloy with Cd and Zn impurities on the thermally crystallization behavior is investigated using differential thermal analysis (DTA) at different heating rates. In this study, the glass transition activation energy (Eg), the crystallization activation energy (Ec), Avrami exponent (n), and the frequency factor (ko) are calculated to understand the mechanism of crystal

In this paper, we have developed an analytical drain current model of stacked oxide SiO2/HfO2 cylindrical gate tunnel field-effect transistor (CG TFET) by considering the effect of interface trap charge at Si–SiO2 interface nearby the source–channel junction. To model the channel potential, Poisson’s equation has been solved by using the parabolic approximation method in a cylindrical coordinate system

The positive super-lift Luo-converter is the advanced converter which has a lot of advantages. Thus, the proposed work aims in enhancing positive super-lift Luo-converter performance by using the appropriate passive components and MOSFETs for energy saving. It was taking into consideration that the current variation ratio ξ is < 1 at the applied range of resistance RL and inductance L values using

In this research article, we investigated the universal model of integrable system of modify unstable nonlinear Schrödinger equation. The mUNLSE described the disturbance of time period in slightly stable and unstable media and managed the instability of modulation wave train. We found the exact and solitary wave solutions of mUNLSE with the help of modified extended auxiliary equation mapping method

The leakage conduction mechanisms for top-contact and bottom-contact pentacene-based organic thin film transistors (OTFTs) are studied. OTFTs that use a bottom-contact design exhibit lower leakage conduction than those that use a top-contact design. For top-contact OTFTs, the dominant leakage conduction mechanism is via Schottky emission and the density of the leakage current increases significantly

In this paper, microwave propagation through an inhomogeneous drifting collisional magnetized plasma slab is theoretically analyzed. The electron density and collision frequency have sinusoidal distribution. The electromagnetic wave has right-handed circular polarization and normally incident on the plasma surface. The reflectance, transmittance, and absorbance coefficients of this inhomogeneous plasma

This paper presents the use of infinite element boundary conditions for physical and engineering problems in a three-dimensional unbounded domain, subjected to seismic loading, with a view to compare results with the traditional viscous boundary. Boundary conditions are discussed in general with an emphasis on understanding the pros and cons of each method used. Also, a comparison is drawn between

Co-doped ZnS hybrid nanoparticles were synthesized by chemical precipitation method. XRD peaks were shifted toward higher angle with increasing dopant concentration, which were corresponding to the structural changes in the presence of Co. Chemical compositions of the prepared materials were confirmed by EDAX. High-resolution transmission electron micrographs (HRTEM) revealed finger print appearance

The strain effect on the third-harmonic generation (THG) of a two-dimensional GaAs quantum dot has been investigated within the effective mass approximation. For this purpose, first, we have calculated the energy levels and wave function of the system in the presence of Bychkov–Rashba and Dresselhaus terms and strain-dependent term by accomplish the diagonalization method. Then we have computed the

This work highlights the problems concerned with an initially stressed viscoelastic microbeam with small-scale thickness which is subjected to an ultra-fast laser heating and exposed to a sinusoidal varying heat. The analytical solutions for the deflection and temperature are obtained in terms of Laplace transform method. To indicate the effects of viscous damping coefficient, the time width of thermal

We present a series of snakelike self-similar solutions to the nonlinear Schrödinger equation with a gain in the presence of an external source through asymmetric dual-core waveguide amplifiers with a long-period grating. The asymmetric dual-core waveguide is composed of two adjoining, closely spaced, upper and lower waveguides, in which the upper one is an active graded-index waveguide with a long-period

In this paper, a bipolar sigmoid function series is proposed to generate 1-D (one dimensional) and 2-D (two dimensional) multi-scroll chaotic attractors. The nonlinear dynamical behaviors of 1-D and 2-D multi-scroll chaotic systems are analyzed, including the equilibrium points, invariance, dissipation, Lyapunov exponents, fractional dimension and Poincaré map. In addition, backstepping controllers

In this work, our main goal is to study a new wave behavior of the nonlinear system associated with ionic wave equations under the influence of the ponderomotive force caused by a nonlinear force experienced by a charged particle in an inhomogeneous oscillating electromagnetic field due to high-frequency field. Another variation in the modified exp-function method has been developed to find progressive

Coupled electric transmission lines (CETLs), which consist of a great number of identical sections, have been studied theoretically in the present paper. The super rogue wave (SRW) in CETLs is analyzed using the nonlinear Schrödinger equation. The dependence of the characteristics of the SRW parameters on CETLs is displayed in this paper. The results may be useful for exploiting or avoiding SRWs in

Recently, Jin et al. (Appl. Phys. A 120:189, 2015) have improved the modified embedded atom method (MEAM) potentials for metals. The validity of those potentials for the body-centered cubic (bcc) transition metals, Cr, Fe, Mo, Nb, Ta, V, and W, is examined by reproducing the phonon and thermodynamic properties, studied both experimentally and theoretically a lot. The phonon dispersion curve and density

Self-similar solutions are obtained for one-dimensional unsteady adiabatic flow behind a magnetogasdynamics cylindrical shock wave propagating in a rotational axisymmetric non-ideal gas with increasing energy and conductive and radiative heat fluxes in the presence of an azimuthal magnetic field. The azimuthal and axial components of the fluid velocity and the azimuthal magnetic field in the ambient

In this research, the height, curvature and velocity of the bubble tip in Rayleigh–Taylor instability at arbitrary Atwood number with horizontal magnetic field are investigated. To support the earlier simulation and experimental results, the vorticity generation inside the bubble is introduced. It is found that, in early nonlinear stage, the temporal evolution of the bubble tip parameters depends essentially

The structural, elastic, electronic, magnetic and thermodynamic properties of Co2TaGa full-Heusler alloy are investigated using density functional theory-based full-potential linearized augmented plane waves method. Our results present Co2TaGa full-Heusler in CuHg2Ti-type structure FM phase that is mechanically and dynamically stable at pressure. The negative formation energy of Co2TaGa is −1.516 eV

A mathematical model is presented for laminar, steady natural convection mass transfer in boundary layer flow from a rotating porous vertical cone in anisotropic high-permeability porous media. The transformed boundary value problem is solved subject to prescribed surface and free stream boundary conditions with a Maple 17 shooting method. Validation with a Chebyshev spectral collocation method is

This paper addresses theoretically and methodologically the electrical characteristics (including node voltage and equivalent resistance) of a class of n-ladder resistor networks with external load. The authors establish, with node voltage as a variable, the second-order difference equation model and boundary condition equation model based on Kirchhoff’s law. They propose the general and specific methods

The present work examines and discusses the response of the atmospheric layers to solar variations, whereas the solar outputs are responsible for the changes in the Earth’s environment. Galactic cosmic ray rates (GCRs), solar cycle lengths (SCLs), sunspots (Rz), coronal index (CI) of solar activities, the aa geomagnetic activity index, total solar irradiance (TSI), CO2 concentrations, global surface