期刊
PHYSICAL REVIEW D
卷 103, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.103.055013
关键词
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资金
- National Natural Science Foundation of China [11947034, 12005180]
- Chongqing Natural Science Foundation [cstc2020jcyj-msxmX0814]
- Fundamental Research Funds for the Central Universities [2020CDJQY-Z003]
- Natural Science Foundation of Shandong Province [ZR2020QA083]
The study focuses on heavy dark matter produced around the temperature of the phase transition and the formation of domain walls. It is discovered that the gravitational waves generated by domain wall decay can be probed by pulsar timing arrays and the future square kilometer array.
We study the heavy dark matter produced around the temperature of the phase transition. Meanwhile domain walls can be formed after the breakdown of a Z3 discrete symmetry induced by the first-order phase transition. The generated gravitational waves by domain wall decay are found to be able to probed by the pulsar timing arrays, and the future square kilometer array.
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