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High Energy Physics - Phenomenology

arXiv:1503.04535 (hep-ph)
[Submitted on 16 Mar 2015 (v1), last revised 13 Oct 2015 (this version, v2)]

Title:Relativistic hydrodynamics from quantum field theory on the basis of the generalized Gibbs ensemble method

Authors:Tomoya Hayata, Yoshimasa Hidaka, Masaru Hongo, Toshifumi Noumi
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Abstract:We derive relativistic hydrodynamics from quantum field theories by assuming that the density operator is given by a local Gibbs distribution at initial time. We decompose the energy-momentum tensor and particle current into nondissipative and dissipative parts, and analyze their time evolution in detail. Performing the path-integral formulation of the local Gibbs distribution, we microscopically derive the generating functional for the nondissipative this http URL also construct a basis to study dissipative corrections. In particular, we derive the first-order dissipative hydrodynamic equations without a choice of frame such as the Landau-Lifshitz or Eckart frame.
Comments: 29 pages, 3 figures (2 figures are added), published version
Subjects: High Energy Physics - Phenomenology (hep-ph); Statistical Mechanics (cond-mat.stat-mech); High Energy Physics - Theory (hep-th); Nuclear Theory (nucl-th)
Report number: RIKEN-QHP-180, RIKEN-MP-111
Cite as: arXiv:1503.04535 [hep-ph]
  (or arXiv:1503.04535v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.04535
Journal reference: Phys. Rev. D 92, 065008 (2015)
Related DOI: https://doi.org/10.1103/PhysRevD.92.065008

Submission history

From: Masaru Hongo [view email]
[v1] Mon, 16 Mar 2015 06:36:16 UTC (162 KB)
[v2] Tue, 13 Oct 2015 12:03:53 UTC (627 KB)
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