Fundamental Physics and Cosmology with TianQin
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866916043744608256 |
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| author | Luo, Jun An, Haipeng Bian, Ligong Cai, Rong-Gen Cao, Zhoujian Han, Wenbiao He, Jianhua Hendry, Martin A. Hong, Wencong Hu, Bin Hu, Yi-Ming Huang, Fa Peng Huang, Shun-Jia Kim, Sang Pyo Li, En-Kun Liu, Yu-Xiao Milyukov, Vadim Pi, Shi Postnov, Konstantin Sasaki, Misao Shao, Cheng-Gang Shao, Lijing Shi, Changfu Sun, Shuo Wang, Anzhong Wang, Pan-Pan Wang, Sai Wang, Shao-Jiang Xianyu, Zhong-Zhi Yang, Huan Yang, Tao Zhang, Jian-dong Zhang, Xin Zhao, Wen Zhu, Liang-Gui Mei, Jianwei |
| author_facet | Luo, Jun An, Haipeng Bian, Ligong Cai, Rong-Gen Cao, Zhoujian Han, Wenbiao He, Jianhua Hendry, Martin A. Hong, Wencong Hu, Bin Hu, Yi-Ming Huang, Fa Peng Huang, Shun-Jia Kim, Sang Pyo Li, En-Kun Liu, Yu-Xiao Milyukov, Vadim Pi, Shi Postnov, Konstantin Sasaki, Misao Shao, Cheng-Gang Shao, Lijing Shi, Changfu Sun, Shuo Wang, Anzhong Wang, Pan-Pan Wang, Sai Wang, Shao-Jiang Xianyu, Zhong-Zhi Yang, Huan Yang, Tao Zhang, Jian-dong Zhang, Xin Zhao, Wen Zhu, Liang-Gui Mei, Jianwei |
| contents | The exploration of the surrounding world and the universe is an important theme in the legacy of humankind. The detection of gravitational waves is adding a new dimension to this grand effort. What are the fundamental physical laws governing the dynamics of the universe? What is the fundamental composition of the universe? How has the universe evolved in the past and how will it evolve in the future? These are the basic questions that press for answers. The space-based gravitational wave detector TianQin will tune in to gravitational waves in the millihertz frequency range ($10^{-4} \sim 1$ Hz, to be specific), opening a new gravitational wave spectrum window to explore many of the previously hidden sectors of the universe. TianQin will discover many astrophysical systems, populating the universe at different redshifts: some will be of new types that have never been detected before, some will have very high signal-to-noise ratios, and some will have very high parameter estimation precision. The plethora of information collected will bring us to new fronts on which to search for the breaking points of general relativity, the possible violation of established physical laws, the signature of possible new gravitational physics and new fundamental fields, and to improve our knowledge on the expansion history of the universe. In this white paper, we highlight the advances that TianQin can bring to fundamental physics and cosmology. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_20138 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Fundamental Physics and Cosmology with TianQin Luo, Jun An, Haipeng Bian, Ligong Cai, Rong-Gen Cao, Zhoujian Han, Wenbiao He, Jianhua Hendry, Martin A. Hong, Wencong Hu, Bin Hu, Yi-Ming Huang, Fa Peng Huang, Shun-Jia Kim, Sang Pyo Li, En-Kun Liu, Yu-Xiao Milyukov, Vadim Pi, Shi Postnov, Konstantin Sasaki, Misao Shao, Cheng-Gang Shao, Lijing Shi, Changfu Sun, Shuo Wang, Anzhong Wang, Pan-Pan Wang, Sai Wang, Shao-Jiang Xianyu, Zhong-Zhi Yang, Huan Yang, Tao Zhang, Jian-dong Zhang, Xin Zhao, Wen Zhu, Liang-Gui Mei, Jianwei General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics High Energy Physics - Theory The exploration of the surrounding world and the universe is an important theme in the legacy of humankind. The detection of gravitational waves is adding a new dimension to this grand effort. What are the fundamental physical laws governing the dynamics of the universe? What is the fundamental composition of the universe? How has the universe evolved in the past and how will it evolve in the future? These are the basic questions that press for answers. The space-based gravitational wave detector TianQin will tune in to gravitational waves in the millihertz frequency range ($10^{-4} \sim 1$ Hz, to be specific), opening a new gravitational wave spectrum window to explore many of the previously hidden sectors of the universe. TianQin will discover many astrophysical systems, populating the universe at different redshifts: some will be of new types that have never been detected before, some will have very high signal-to-noise ratios, and some will have very high parameter estimation precision. The plethora of information collected will bring us to new fronts on which to search for the breaking points of general relativity, the possible violation of established physical laws, the signature of possible new gravitational physics and new fundamental fields, and to improve our knowledge on the expansion history of the universe. In this white paper, we highlight the advances that TianQin can bring to fundamental physics and cosmology. |
| title | Fundamental Physics and Cosmology with TianQin |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2502.20138 |