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Semiclassical expansion of the Wigner function for spin-1/2 fermions having an effective spacetime-dependent mass is used to analyze spin-polarization effects. The existing framework is reformulated to obtain a differential equation…

High Energy Physics - Phenomenology · Physics 2024-01-24 Samapan Bhadury , Arpan Das , Wojciech Florkowski , Gowthama K. K. , Radoslaw Ryblewski

Effective pseudoscalar-photon interaction(s) would induce a rotation of linear polarization of electromagnetic wave propagating with cosmological distance in various cosmological models. Pseudoscalar-photon interaction is proportional to…

General Relativity and Quantum Cosmology · Physics 2009-10-23 Wei-Tou Ni

We revisit the photon polarization tensor in a homogeneous external magnetic or electric field. The starting point of our considerations is the momentum space representation of the one-loop photon polarization tensor in the presence of a…

High Energy Physics - Theory · Physics 2014-08-14 Felix Karbstein

We extend a model of two-center interference to include the superposition of opposite orientations in aligned polar molecules. We show that the position of the minimum in the harmonic spectrum from both aligned and oriented CO depends…

Atomic Physics · Physics 2011-09-07 Adam Etches , Mette B. Gaarde , Lars Bojer Madsen

Correlation between the rectilinear polarisations of the photons emitted from the biexciton decay in a single quantum dot is investigated in a device which allows the charge-state of the dot to be controlled. Optimising emission from the…

Quantum Physics · Physics 2009-11-13 R. J. Young , S. J. Dewhurst , R. M. Stevenson , A. J. Shields , P. Atkinson , K. Cooper , D. A. Ritchie

We study the time evolution of the Optical Spin Hall Effect (OSHE), which occurs when exciton-polaritons undergo resonant Rayleigh scattering. The resulting spin pattern in momentum space is quantified by calculating the degree of circular…

Mesoscale and Nanoscale Physics · Physics 2017-08-29 Daniel Schmidt , Bernd Berger , Manfred Bayer , Christian Schneider , Martin Kamp , Sven Höfling , Evgeny Sedov , Alexey Kavokin , Marc Aßmann

Photon-photon interactions mediated by the neutral hydrogen background can transform plane polarization into circular polarization, through completely forward processes, [gamma+gamma+atom-> gamma+ gamma+atom], in which only the photon…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-04 R. F. Sawyer

Despite the intrinsic coupling between electric and magnetic fields in random stationary light, their polarization properties are not mutually determined. A complete second-order description thus necessitates a joint electromagnetic…

We provide a method to calculate the evolution of an eccentric and inclined orbit under the magnetic effect. Taking the unipolar interaction as an example, we study both coplanar and inclined orbits. We calculate the Lorentz force and then…

Earth and Planetary Astrophysics · Physics 2025-07-29 Xing Wei

The magnetic properties of anisotropic films have been studied using 3D-neutron polarization analysis. The experimental facts refer to essential distinction of the sample states, magnetized in opposite directions. For an explanation of…

Condensed Matter · Physics 2007-05-23 A. V. Kovalev , L. A. Akselrod

Axisymmetric permanent magnets become electrically polarized due to their rotation around the symmetry axis. This phenomenon is considered in detail for both conducting and dielectric magnets. The results are applied to the Earth which is…

General Physics · Physics 2007-05-23 Peter Hrasko

The magnetization of quantum dots is discussed in terms of a relatively simple but exactly solvable model Hamiltonian. The model predicts oscillations in spin polarization as a function of dot radius for a fixed electron density. These…

Mesoscale and Nanoscale Physics · Physics 2007-10-11 A. Bansil , D. Nissenbaum , B. Barbiellini , R. Saniz

Exciton-polaritons are mutually interacting quantum hybridizations of confined photons and electronic excitations. Here we demonstrate a system of optically guided, electrically polarized exciton-polaritons ('dipolaritons') that displays up…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Itamar Rosenberg , Dror Liran , Yotam Mazuz-Harpaz , Kenneth West , Loren Pfeiffer , Ronen Rapaport

Polarization observables for the reaction $\bar p+p\to e^++e^-$ are given in terms of three independent complex amplitudes, in presence of two photon exchange. General expressions for the differential cross section and the polarization…

Nuclear Theory · Physics 2009-11-11 G. I. Gakh , E. Tomasi--Gustafsson

The polarization properties of the Compton effect in the field of a circularly polarized electromagnetic wave are discussed. In the case of nonlinear Compton effect the behavior of spin is analyzed. The transformation of the longitudinal…

High Energy Physics - Phenomenology · Physics 2011-04-15 E. M. Bol'shedvorsky , S. I. Polityko

A conceptual problem of the electric-field mediated polarization correlations during a stochastic formation of polarization domain structure in ferroelectrics is addressed by using an exactly solvable stochastic model of polarization…

Materials Science · Physics 2023-10-05 Yuri A. Genenko , Olga Y. Mazur , Leonid I. Stefanovich

Photovoltaic effect of neutral atoms using inhomogeneous light in double-trap opened system is studied theoretically. Using asymmetric external driving field to replacing original asymmetric chemical potential of atoms, we create…

Quantum Physics · Physics 2022-01-19 Wenxi Lai , Jinyan Niu , Yu-Quan Ma , W. M. Liu

A relativistic analysis of the polarization properties of light elastically scattered by atomic hydrogen is performed, based on the Dirac equation and second order perturbation theory. The relativistic atomic states used for the…

When polarized electrons traverse a region where the laser light is focused their polarization varies even if their energy and direction of motion are not changed. This effect is due to interference of the incoming electron wave and an…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. L. Kotkin , H. Perlt , V. G. Serbo

We consider emission of a photon by an electron in the field of a strong laser wave. Polarization effects in this process are important for a number of physical problems. We discuss a probability of this process for linearly polarized laser…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Yu. Ivanov , G. L. Kotkin , V. G. Serbo