This paper aims to investigate the spin dependent transport properties in hybrid nanoribbons, using non equilibrium Greens function method. The effects of temperature gradient between left and right leads, ferromagnetic exchange field, local external electric fields are also included. results show that up down currents produced flow opposite directions with almost equal magnitudes. evidently sh...

analysis of aperture-coupled microstrip antennas with a superstrate using space domain closed form greens functions is presented. integral equations are derived from applying the boundary conditions on the radiating patch, across the aperture, and on the microstrip feedline. the computation of space domain greens functions is performed using the closed-form. the solution of the integral equatio...

The distortion of structure of a simple, inverse-12, soft-disk fluid undergoing two-dimensional plane Couette flow was studied by nonequilibrium molecular dynamics (NEMD) simulation and by equilibrium Monte Carlo (MC) simulation with a nonequilibrium potential, under which the equilibrium structure of the fluid is that of the nonequilibrium fluid. Extension of the iterative predictor-corrector ...

A method to perform bosonization of a fermionic theory in (1 + 1) dimensions in a path integral framework is developed. The method relies exclusively on the path integral property of allowing variable shifts, and does not depend on the explicit form of Greens functions. Two examples, the Schwinger model and the massless Thirring model, are worked out. PACS numbers: 11.10.Kk; 11.15.Tk

Bridging equilibrium and nonequilibrium statistical physics attracts sustained interest. Hallmarks of nonequilibrium systems include a breakdown of detailed balance, and an absence of a priori potential function corresponding to the Boltzmann-Gibbs distribution, without which classical equilibrium thermodynamical quantities could not be defined. Here, we construct dynamically the potential func...

The standard formulation of tunneling transport rests on an open-boundary modeling. There, conserving approximations to nonequilibrium Green function or quantum statistical mechanics provide consistent but computational costly approaches; alternatively, the use of density-dependent ballistic-transport calculations (e.g., Lang 1995 Phys. Rev. B 52 5335), here denoted 'DBT', provides computationa...

Nonperturbative dynamic theory has a particular advantage in studying the transport in a quantum impurity system in nonequilibrium steady state. Therefore, a method for obtaining the retarded Green’s function is studied here. For that purpose, we use the resolvent Green’s function in the Heisenberg picture and find all linearly independent basis vectors spanning the Liouville space. We propose ...