Quantitative analysis of the gravitational wave spectrum sourced from a first-order chiral phase transition of QCD

Hui Wen Zheng; Fei Gao; Ligong Bian; Si Xue Qin; Yu Xin Liu

doi:10.1103/PhysRevD.111.L021303

Quantitative analysis of the gravitational wave spectrum sourced from a first-order chiral phase transition of QCD

Hui Wen Zheng^*
, Fei Gao^*
, Ligong Bian^*
, Si Xue Qin^*
, Yu Xin Liu^*

^*此作品的通讯作者

Peking University
Beijing Institute of Technology
Chongqing University
Collaborative Innovation Center of Quantum Matter

科研成果: 期刊稿件 › 文章 › 同行评审

11 引用（Scopus）

摘要

We investigate the cosmological first-order chiral phase transition of quantum chromodynamics (QCD), and for the first time calculate its parameters which can determine the gravitational wave spectrum. With the state-of-the-art calculation from the functional QCD method, we found that the large chemical potential of QCD phase transition results in very weak and fast first-order phase transitions at the temperature lower than O(102) MeV. These results further suggest that the gravitational wave (GW) signals of NANOGrav are very unlikely sourced from the chiral phase transition of QCD.

源语言	英语
文章编号	L021303
期刊	Physical Review D
卷	111
期	2
DOI	https://doi.org/10.1103/PhysRevD.111.L021303
出版状态	已出版 - 1 2月 2025
已对外发布	是

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title = "Quantitative analysis of the gravitational wave spectrum sourced from a first-order chiral phase transition of QCD",

abstract = "We investigate the cosmological first-order chiral phase transition of quantum chromodynamics (QCD), and for the first time calculate its parameters which can determine the gravitational wave spectrum. With the state-of-the-art calculation from the functional QCD method, we found that the large chemical potential of QCD phase transition results in very weak and fast first-order phase transitions at the temperature lower than O(102) MeV. These results further suggest that the gravitational wave (GW) signals of NANOGrav are very unlikely sourced from the chiral phase transition of QCD.",

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AU - Zheng, Hui Wen

AU - Gao, Fei

AU - Bian, Ligong

AU - Qin, Si Xue

AU - Liu, Yu Xin

N1 - Publisher Copyright: © 2025 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"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.

PY - 2025/2/1

Y1 - 2025/2/1

N2 - We investigate the cosmological first-order chiral phase transition of quantum chromodynamics (QCD), and for the first time calculate its parameters which can determine the gravitational wave spectrum. With the state-of-the-art calculation from the functional QCD method, we found that the large chemical potential of QCD phase transition results in very weak and fast first-order phase transitions at the temperature lower than O(102) MeV. These results further suggest that the gravitational wave (GW) signals of NANOGrav are very unlikely sourced from the chiral phase transition of QCD.

AB - We investigate the cosmological first-order chiral phase transition of quantum chromodynamics (QCD), and for the first time calculate its parameters which can determine the gravitational wave spectrum. With the state-of-the-art calculation from the functional QCD method, we found that the large chemical potential of QCD phase transition results in very weak and fast first-order phase transitions at the temperature lower than O(102) MeV. These results further suggest that the gravitational wave (GW) signals of NANOGrav are very unlikely sourced from the chiral phase transition of QCD.

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DO - 10.1103/PhysRevD.111.L021303

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JO - Physical Review D

JF - Physical Review D

IS - 2

M1 - L021303

ER -

Quantitative analysis of the gravitational wave spectrum sourced from a first-order chiral phase transition of QCD

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