Positive magnetoresistance induced by hydrodynamic fluctuations in chiral media

Noriyuki Sogabe, Naoki Yamamoto, Yi Yin

研究成果: Article査読

抄録

We analyze the combined effects of hydrodynamic fluctuations and chiral magnetic effect (CME) for a chiral medium in the presence of a background magnetic field. Based on the recently developed non-equilibrium effective field theory, we show fluctuations give rise to a CME-related positive contribution to magnetoresistance, while the early studies without accounting for the fluctuations find a CME-related negative magnetoresistance. At zero axial relaxation rate, the fluctuations contribute to the transverse conductivity in addition to the longitudinal one.

本文言語English
論文番号131
ジャーナルJournal of High Energy Physics
2021
9
DOI
出版ステータスPublished - 2021 9

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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