Chiral Anomalous Dispersion
Abstract
The linearized Einstein equation describing graviton propagation through a chiral medium appears to be helicity dependent. We analyze features of the corresponding spectrum in a collision-less regime above a flat background. In the long wave-length limit, circularly polarized metric perturbations travel with a helicity dependent group velocity that can turn negative giving rise to a new type of an anomalous dispersion. We further show that this chiral anomalous dispersion is a general feature of polarized modes propagating through chiral plasmas extending our result to the electromagnetic sector.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Inst. for Nuclear Theory, Seattle, WA (United States); Univ. of Arizona, Tucson, AZ (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1423982
- Report Number(s):
- LA-UR-17-31502
Journal ID: ISSN 1029-8479; TRN: US1801876
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Volume: 2018; Journal Issue: 2; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Atomic and Nuclear Physics
Citation Formats
Sadofyev, Andrey, and Sen, Srimoyee. Chiral Anomalous Dispersion. United States: N. p., 2018.
Web. doi:10.1007/JHEP02(2018)099.
Sadofyev, Andrey, & Sen, Srimoyee. Chiral Anomalous Dispersion. United States. https://doi.org/10.1007/JHEP02(2018)099
Sadofyev, Andrey, and Sen, Srimoyee. 2018.
"Chiral Anomalous Dispersion". United States. https://doi.org/10.1007/JHEP02(2018)099. https://www.osti.gov/servlets/purl/1423982.
@article{osti_1423982,
title = {Chiral Anomalous Dispersion},
author = {Sadofyev, Andrey and Sen, Srimoyee},
abstractNote = {The linearized Einstein equation describing graviton propagation through a chiral medium appears to be helicity dependent. We analyze features of the corresponding spectrum in a collision-less regime above a flat background. In the long wave-length limit, circularly polarized metric perturbations travel with a helicity dependent group velocity that can turn negative giving rise to a new type of an anomalous dispersion. We further show that this chiral anomalous dispersion is a general feature of polarized modes propagating through chiral plasmas extending our result to the electromagnetic sector.},
doi = {10.1007/JHEP02(2018)099},
url = {https://www.osti.gov/biblio/1423982},
journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 2,
volume = 2018,
place = {United States},
year = {Fri Feb 16 00:00:00 EST 2018},
month = {Fri Feb 16 00:00:00 EST 2018}
}
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