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We theoretically study the influence of laser polarization in inelastic scattering of electrons by hydrogen atoms in the presence of a circularly polarized laser field in the domain of field strengths below $10^{7}$ V/cm and high projectile…

Atomic Physics · Physics 2023-06-16 Gabriela Buică

It is commonly believed that photon polarisation entanglement can only be obtained via pair creation within the same source or via postselective measurements on photons that overlapped within their coherence time inside a linear optics…

Quantum Physics · Physics 2009-11-10 Yuan Liang Lim , Almut Beige

We study scattering of polarized light by a rotating (Kerr) black hole of the mass M and the angular momentum J. In order to keep trace of the polarization dependence of photon trajectories one can use the following dimensionless parameter:…

General Relativity and Quantum Cosmology · Physics 2015-06-05 Valeri P. Frolov , Andrey A. Shoom

Very little is known about the polarimetric properties of CH stars and carbon-enhanced metal-poor (CEMP) stars, although many of these objects have been studied in detail both photometrically and spectroscopically. We aim to derive…

Solar and Stellar Astrophysics · Physics 2015-06-12 Aruna Goswami , Drisya Karinkuzhi

Electron scattering induces a polarization in the cosmic microwave background (CMB) signal measured in the direction of a galaxy cluster due to the presence of a quadrupole component in the CMB temperature distribution. Measuring the…

Astrophysics · Physics 2009-10-31 S. Y. Sazonov , R. A. Sunyaev

The model-independent radiative corrections to deep-inelastic scattering of unpolarized electron beam off the tensor polarized deuteron target have been considered. The contribution to the radiative corrections due to the hard-photon…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. I. Gakh , O. Shekhovtsova

The polarization of the cosmic microwave background radiation will have a distribution of singularities and anti-singularities, points where the polarization vanishes for topological reasons. The statistics of polarization singularities…

Astrophysics · Physics 2009-11-10 Dragan Huterer , Tanmay Vachaspati

The spin polarization of photoelectrons induced by an intense linearly polarized laser field is investigated using numerical solutions of the time-dependent Schr\"odinger equation in companion with our analytic treatment via the…

Atomic Physics · Physics 2024-02-20 Pei-Lun He , Zhao-Han Zhang , Karen Z. Hatsagortsyan , Christoph H. Keitel

We develop a versatile theoretical approach to the study of cold-atom diffractive scattering from light-field gratings by combining calculations of the optical near-field, generated by evanescent waves close to the surface of periodic…

Atomic Physics · Physics 2009-11-07 G. Leveque , C. Meier , R. Mathevet , C. Robiliiard , J. Weiner , C. Girard , J. C. Weeber

The cross section which addresses the spin-flip transitions of a proton (antiproton) interacting with a polarized non-relativistic electron or positron is calculated analytically. In the case of attraction, this cross section is greatly…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. I. Milstein , S. G. Salnikov , V. M. Strakhovenko

We examine the polarization signal of the cosmic microwave background radiation associated with distant clusters. The polarization is induced by the Thomson scattering of microwave photons with ionized gas of clusters and contains…

Astrophysics · Physics 2016-08-30 Naoki Seto , Misao Sasaki

The scattering theory of low-energy (slow) electrons has been developed by Evans and Mills [Phys. Rev. B 5, 4126 (1972)]. The formalism is merely based on the electrostatic Coulomb interaction of the scattering electrons with the…

Strongly Correlated Electrons · Physics 2023-05-25 Khalil Zakeri , Christophe Berthod

We study by numerical simulations the scattering of $s$-polarized light from a rough dielectric film deposited on the planar surface of a semi-infinite perfect conductor. The dielectric film is allowed to be either active or passive,…

Disordered Systems and Neural Networks · Physics 2010-05-05 Ingve Simonsen , Tamara A. Leskova , Alexei A. Maradudin

Using a quantum electrodynamical approach, we derive the scattering phase matrices for polarized radiation involving forbidden line transitions and in the presence of an external magnetic field. The case of (J=0->2->0) scattering is…

Astrophysics · Physics 2008-05-27 Yee Yee Oo , Phyu Phyu San , M. Sampoorna , K. N. Nagendra , G. Ramachandran

We study the thermal structure of neutron stars with magnetized envelopes composed of accreted material, using updated thermal conductivities of plasmas in quantizing magnetic fields, as well as equation of state and radiative opacities for…

Astrophysics · Physics 2009-11-07 A. Y. Potekhin , D. G. Yakovlev , G. Chabrier , O. Y. Gnedin

A technique based on speckle contrast measurement is proposed and demonstrated to track the polarization rotation of an optical beam behind a scattering layer. It is shown that with the help of a reference speckle pattern with a known…

Optics · Physics 2018-12-03 Abhijit Roy , Rakesh Kumar Singh , Maruthi M. Brundavanam

Optical/UV radiation from accretion disks in quasars is likely to be partly scattered by a hot plasma enveloping the disk. We investigate whether the scattering may produce the steep rises in polarization observed blueward of the Lyman…

Astrophysics · Physics 2009-10-31 A. M. Beloborodov , J. Poutanen

We consider the scattering of entangled two-photon states from collections of small particles. We also study the related Mie problem of scattering from a sphere. In both cases, we calculate the entropy of entanglement and investigate the…

Optics · Physics 2016-04-20 John C. Schotland , A. Caze , Theodore B. Norris

We performed an integrated optical polarization survey of 70 nearby galaxies to study the relationship between linear polarization and galaxy properties. To date this is the largest survey of its kind. The data were collected at McDonald…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Amy Jones , Lifan Wang , Kevin Krisciunas , Emily Freeland

A relativistic electron-positron beam propagating through a magnetized electron-ion plasma is shown to generate both circularly and linearly polarized synchrotron radiation. The degrees of circular and linear polarizations depend both on…

Plasma Physics · Physics 2019-05-29 Ujjwal Sinha , Christoph H. Keitel , Naveen Kumar