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Holographic dissipation prefers the Landau over the Keldysh form

Yu-Kun Yan1,¶, Shanquan Lan2,3,*, Yu Tian1,4,†, Peng Yang1,‡, Shunhui Yao1,§, and Hongbao Zhang5,∥

  • 1School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • 2Department of Physics, Peking University, Beijing 100871, China
  • 3Department of Physics, Lingnan Normal University, Zhanjiang 524048, China
  • 4Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 5Department of Physics, Beijing Normal University, Beijing 100875, China

  • *Corresponding author. lansq@lingnan.edu.cn
  • †Corresponding author. ytian@ucas.ac.cn
  • ‡Corresponding author. yangpeng18@mails.ucas.ac.cn
  • §Corresponding author. yaoshunhui15@mails.ucas.ac.cn
  • ∥Corresponding author. hongbaozhang@bnu.edu.cn
  • yanyukun20@mails.ucas.ac.cn
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Phys. Rev. D 107, L121901 – Published 8 June, 2023

DOI: https://doi.org/10.1103/PhysRevD.107.L121901

Abstract

Although holographic duality has been regarded as a complementary tool in helping understand the nonequilibrium dynamics of strongly coupled many-body systems, it still remains a remarkable challenge how to confront its predictions quantitatively with real experimental scenarios. By matching the holographic vortex dynamics with the phenomenological dissipative Gross-Pitaevskii models, we find that the holographic dissipation mechanism can be well captured by the Landau form rather than the Keldysh one, although the latter is much more widely used in numerical simulations. Our finding is expected to open up novel avenues for facilitating the quantitative test of holographic predictions against upcoming experimental data. Our result also provides a prime example how holographic duality can help select proper phenomenological models to describe far-from-equilibrium nonlinear dynamics beyond the hydrodynamic regime.

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Phys. Rev. D 107, L121901– Published 8 June, 2023
  • Received 1 March 2023
  • Accepted 25 May 2023
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