Kinetics of hydrodynamic pions in chiral perturbation theory

Torres-Rincon, Juan M.; Teaney, Derek

doi:10.1103/PhysRevD.106.056012

Title: Kinetics of hydrodynamic pions in chiral perturbation theory

Journal Article · Thu Sep 15 00:00:00 EDT 2022 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.106.056012· OSTI ID:1887604

; Teaney, Derek

We determine the kinetic coefficients of ultrasoft pions using chiral perturbation theory at finite temperature close to the chiral limit. This is used to compute the axial charge diffusion and damping coefficients in the hydrodynamic effective theory for these pion waves. We show that to provide a leading order answer for these coefficients one needs to explore the dynamics of hard, soft, and ultrasoft pion modes, which are represented microscopically by the appropriate kinetic and hydrodynamic descriptions.

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Research Organization:: Florida State Univ., Tallahassee, FL (United States); Stony Brook Univ., NY (United States); Stony Brook Univ., NY (United States). Research Foundation For The State University Of New York, The

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); German Research Foundation (DFG)

Grant/Contract Number:: FG-02-08ER41450; FG02-06ER41450; 411563442; 315477589-TRR 211; FG02-88ER40388

OSTI ID:: 1887604

Alternate ID(s):: OSTI ID: 1980180; OSTI ID: 2280802

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 106 Journal Issue: 5; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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