General bubble expansion at strong coupling

Author:

Wang Jun-Chen1ORCID,Yuwen Zi-Yan23,Hao Yu-Shi23,Wang Shao-Jiang24ORCID

Affiliation:

1. School of Physics, Peking University, Beijing 100871, China

2. CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences (CAS), Beijing 100190, China

3. School of Physical Sciences, University of Chinese Academy of Sciences (UCAS), Beijing 100049, China

4. Asia Pacific Center for Theoretical Physics (APCTP), Pohang 37673, Republic of Korea

Abstract

The strongly coupled system like the quark-hadron transition (if it is of first order) is becoming an active play yard for the physics of cosmological first-order phase transitions. However, the traditional field theoretic approach to strongly coupled first-order phase transitions is of great challenge, driving recent efforts from holographic dual theories with explicit numerical simulations. These holographic numerical simulations have revealed an intriguing linear correlation between the phase pressure difference (pressure difference away from the wall) to the nonrelativistic terminal velocity of an expanding planar wall, which has been reproduced analytically alongside both cylindrical and spherical walls from perfect-fluid hydrodynamics in our previous study but only for a bag equation of state. We also found, in our previous study, a universal quadratic correlation between the wall pressure difference (pressure difference near the bubble wall) to the nonrelativistic terminal wall velocity regardless of wall geometries. In this paper, we will generalize these analytic relations between the phase/wall pressure difference and terminal wall velocity into a more realistic equation of state beyond the simple bag model, providing the most general predictions so far for future tests from holographic numerical simulations of strongly coupled first-order phase transitions. Published by the American Physical Society 2024

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Key Research Program of Frontier Science, Chinese Academy of Sciences

Science Research Grants from the China Manned Space

Publisher

American Physical Society (APS)

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Spinodal slowing down and scaling in a holographic model;Journal of High Energy Physics;2024-08-13

2. General backreaction force of cosmological bubble expansion;Physical Review D;2024-07-31

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