Signature of inertia on light dragging in rotating plasmas

Fuente: arXiv
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Autori principali: Langlois, Julien, Gueroult, Renaud
Natura: Preprint
Pubblicazione: 2024
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author Langlois, Julien
Gueroult, Renaud
author_facet Langlois, Julien
Gueroult, Renaud
contents The signature of light dragging in a rotating unmagnetized plasma is studied analytically. In contrast with previous work which focused exclusively on the drag effects arising from rigid rotation, we examine here the supplemental contribution of inertia to the rest-frame dielectric properties of a rotating medium. We reveal, for the first time, that these so far neglected contributions actually play a dominant role on light dragging in rotating unmagnetized plasmas. Besides birefringence and enhanced polarization drag, inertia is notably demonstrated to be the cause of a non-zero drag, pointing to fundamental differences between linear and angular momentum coupling. We finally discuss how, thanks to the more favourable scaling elicited here, it may be possible to observe these effects in recently proposed laser driven rotating plasmas, identifying new promising directions for experimental investigations.
format Preprint
id arxiv_https___arxiv_org_abs_2402_12050
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Signature of inertia on light dragging in rotating plasmas
Langlois, Julien
Gueroult, Renaud
Plasma Physics
The signature of light dragging in a rotating unmagnetized plasma is studied analytically. In contrast with previous work which focused exclusively on the drag effects arising from rigid rotation, we examine here the supplemental contribution of inertia to the rest-frame dielectric properties of a rotating medium. We reveal, for the first time, that these so far neglected contributions actually play a dominant role on light dragging in rotating unmagnetized plasmas. Besides birefringence and enhanced polarization drag, inertia is notably demonstrated to be the cause of a non-zero drag, pointing to fundamental differences between linear and angular momentum coupling. We finally discuss how, thanks to the more favourable scaling elicited here, it may be possible to observe these effects in recently proposed laser driven rotating plasmas, identifying new promising directions for experimental investigations.
title Signature of inertia on light dragging in rotating plasmas
topic Plasma Physics
url https://arxiv.org/abs/2402.12050