English
Related papers

Related papers: Faraday Conversion and Rotation In Uniformly Magne…

200 papers

Faraday Rotation-Conversion is the simultaneous rotation of all three Stokes polarization parameters $Q$, $U$, $V$ as an electromagnetic wave propagates through a magnetized plasma. In this regime the Faraday plasma screen is characterized…

High Energy Astrophysical Phenomena · Physics 2019-05-15 Andrei Gruzinov , Yuri Levin

Polarized models of relativistically hot astrophysical plasmas require transport coefficients as input: synchrotron absorption and emission coefficients in each of the four Stokes parameters, as well as three Faraday rotation coefficients.…

Instrumentation and Methods for Astrophysics · Physics 2018-11-28 Alex Pandya , Mani Chandra , Abhishek Joshi , Charles F. Gammie

The standard formula for the rotation measure, RM, which determines the position angle, $\psi={\rm RM}\lambda^2$, due to Faraday rotation, includes contributions only from the portions of the ray path where the natural modes of the plasma…

Solar and Stellar Astrophysics · Physics 2015-05-20 D. B. Melrose

The gyrotropic properties of a rotating magnetized plasma are derived analytically. Mechanical rotation leads to a new cutoff for wave propagation along the magnetic field and polarization rotation above this cutoff is the sum of the…

Plasma Physics · Physics 2020-11-25 R. Gueroult , J. -M. Rax , N. J. Fisch

The magnetosphere of a pulsar is composed of relativistic plasmas streaming along the magnetic field lines and corotating with the pulsar. We study the intrinsic Faraday rotation in the pulsar magnetosphere by critically examining the wave…

Solar and Stellar Astrophysics · Physics 2015-05-28 Chen Wang , Jinlin Han , Dong Lai

Faraday rotation (FR) is widely used to infer the orientation and strength of magnetic fields in astrophysical plasmas. Although the absence of electron-positron pairs is a plausible assumption in many astrophysical environments, the…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Kiwan Park , E. G. Blackman

Fast Radio Bursts (FBRs) show highly different polarization properties: high/small RMs, high/small circular/linear fractions. We outline a complicated picture of polarization propagation in the inner parts of the magnetars' winds, at scales…

High Energy Astrophysical Phenomena · Physics 2022-06-08 Maxim Lyutikov

The polarization transfer coefficients of a relativistic magnetized plasma are derived. These results apply to any momentum distribution function of the particles, isotropic or anisotropic. Particles interact with the radiation either in a…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Jean Heyvaerts , Christophe Pichon , Simon Prunet , Jerome Thiebaut

Faraday rotation has become a powerful tool in a large variety of physics applications. Most prominently, Faraday rotation can be used in precision magnetometry. Here we report the first measurements of gyromagnetic Faraday rotation on a…

Atomic Physics · Physics 2019-02-27 Josh Abney , Mark Broering , Murchhana Roy , Wolfgang Korsch

Faraday rotation of a laser field induced by a single atom is demonstrated by tightly focussing a linearly polarized laser beam onto a laser-cooled ion held in a harmonic Paul trap. The polarization rotation signal is further used to…

Atomic Physics · Physics 2012-12-20 G. Hétet , L. Slodička , N. Röck , R. Blatt

The transfer of polarized radiation in magnetized and non-magnetized relativistic plasmas is an area of research with numerous flaws and gaps. The present paper is aimed at filling some gaps and eliminating the flaws. Starting from a…

Astrophysics · Physics 2009-11-13 Roman Shcherbakov

We discuss the production of circular polarization in compact radio sources both by the intrinsic mechanism and by Faraday conversion. We pay particular attention to the magnetic field structure, considering partially ordered fiel ds and…

Astrophysics · Physics 2009-11-07 John F. C. Wardle , Daniel C. Homan

Optical Faraday rotation is one of the most direct and practically important manifestations of magnetically broken time-reversal symmetry. The rotation angle is proportional to the distance traveled by the light, and up to now sizeable…

Many radio sources like quasars, blazars, radio galaxies, and micro-quasars exhibit circular polarisation (CP) with surprising temporal persistent handedness. As a possible explanation we propose that the CP is due to Faraday conversion…

Astrophysics · Physics 2009-11-07 Torsten A. Ensslin

We explore the possibility of ultrafast, coherent all-optical magnetization switching in antiferromagnets by studying the action of the inverse Faraday effect in CrPt, an easy-plane antiferromagnet. Using a combination of density functional…

The phenomenon of Faraday rotation of linearly polarized synchrotron emission in a magneto-ionized medium has been understood and studied for decades. But since the sense of the rotation itself is irrelevant in most contexts, some…

Astrophysics of Galaxies · Physics 2021-07-14 K. Ferrière , J. L. West , T. R. Jaffe

We report the experimental observation of the rotation of the polarization plane of light propagating in a gas of fast-spinning molecules (molecular super-rotors). In the observed effect, related to Fermi's prediction of "polarization drag"…

Atomic Physics · Physics 2021-08-18 Alexander A. Milner , Uri Steinitz , Ilya Sh. Averbukh , Valery Milner

We consider propagation of polarization in the inner parts of pair-symmetric magnetar winds, close to the light cylinder. Pair plasmas in magnetic field is birefringent, a $\propto B^2$ effect. As a result, such plasmas work as phase…

High Energy Astrophysical Phenomena · Physics 2022-07-06 Maxim Lyutikov

Magnetic fields play an important role in plasma dynamics, yet it is a quantity difficult to measure accurately with physical probes, whose presence disturbs the very field they measure. The Faraday rotation of a polarized beam of light…

Paramagnetic Faraday rotation is a powerful technique for atom sensing widely used in quantum non-demolition measurements, fundamental symmetry tests, and other precision measurements. We demonstrate the use of a multi-pass optical cell for…

Atomic Physics · Physics 2011-08-29 S. Li , P. Vachaspati , D. Sheng , N. Dural , M. V. Romalis
‹ Prev 1 2 3 10 Next ›