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  • Letter
  • Open Access

Attractor for (1+1)D viscous hydrodynamics with general rapidity distribution

Shile Chen* and Shuzhe Shi†

  • *Contact author: csl2023@tsinghua.edu.cn
  • †Contact author: shuzhe-shi@tsinghua.edu.cn
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Phys. Rev. C 111, L021902 – Published 21 February, 2025

DOI: https://doi.org/10.1103/PhysRevC.111.L021902

Abstract

The attractor, which is supposed to be one of the possible answers for the early applicability of hydrodynamics in the evolution with different initial conditions, has attracted great attention to the fast decreasing of degrees of freedom in heavy ion collisions. We find attractor behaviors for 1+1D viscous hydrodynamics with general rapidity distribution based on Müller-Isreal-Stewart theory. Meanwhile, we also observe that a rapid expansion in the fluid velocity is essential for a rapid early time attractor.

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Phys. Rev. C 111, L021902– Published 21 February, 2025
  • Received 29 August 2024
  • Accepted 6 February 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

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