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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2306.17022 |
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| _version_ | 1866912018367250432 |
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| author | Guo, Shu-Yuan Khlopov, Maxim Liu, Xuewen Wu, Lei Wu, Yongcheng Zhu, Bin |
| author_facet | Guo, Shu-Yuan Khlopov, Maxim Liu, Xuewen Wu, Lei Wu, Yongcheng Zhu, Bin |
| contents | Several Pulsar Timing Array (PTA) collaborations have recently reported the evidence for a stochastic gravitational-wave background (SGWB), which can unveil the formation of primordial seeds of inhomogeneities in the early universe. With the SGWB parameters inferred from PTAs data, we can make a prediction of the seeds for early galaxy formation from the domain walls in the axion-like particles (ALPs) field distribution. This also naturally provides a solution to the observation of high redshifts by the James Webb Space Telescope. The predicted photon coupling of the ALP is within the reach of future experimental searches. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_17022 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Footprints of Axion-Like Particle in Pulsar Timing Array Data and James Webb Space Telescope Observations Guo, Shu-Yuan Khlopov, Maxim Liu, Xuewen Wu, Lei Wu, Yongcheng Zhu, Bin High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies Several Pulsar Timing Array (PTA) collaborations have recently reported the evidence for a stochastic gravitational-wave background (SGWB), which can unveil the formation of primordial seeds of inhomogeneities in the early universe. With the SGWB parameters inferred from PTAs data, we can make a prediction of the seeds for early galaxy formation from the domain walls in the axion-like particles (ALPs) field distribution. This also naturally provides a solution to the observation of high redshifts by the James Webb Space Telescope. The predicted photon coupling of the ALP is within the reach of future experimental searches. |
| title | Footprints of Axion-Like Particle in Pulsar Timing Array Data and James Webb Space Telescope Observations |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2306.17022 |