Phase transitions of boson stars in scalar-tensor theories
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918265939296256 |
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| author | Huang, Hyat Kleihaus, Burkhard Kunz, Jutta Lai, Meng-Yun Radu, Eugen Zou, De-Cheng |
| author_facet | Huang, Hyat Kleihaus, Burkhard Kunz, Jutta Lai, Meng-Yun Radu, Eugen Zou, De-Cheng |
| contents | In scalar-tensor theories, compact objects may experience spontaneous scalarization. Recently, it was shown that matter-induced spontaneous scalarization of neutron stars is predominantly associated with a first-order phase transition. Here we consider matter-induced spontaneous scalarization of boson stars. Employing a repulsive quartic potential for the bosonic matter, we find only first-order phase transitions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_05202 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Phase transitions of boson stars in scalar-tensor theories Huang, Hyat Kleihaus, Burkhard Kunz, Jutta Lai, Meng-Yun Radu, Eugen Zou, De-Cheng General Relativity and Quantum Cosmology In scalar-tensor theories, compact objects may experience spontaneous scalarization. Recently, it was shown that matter-induced spontaneous scalarization of neutron stars is predominantly associated with a first-order phase transition. Here we consider matter-induced spontaneous scalarization of boson stars. Employing a repulsive quartic potential for the bosonic matter, we find only first-order phase transitions. |
| title | Phase transitions of boson stars in scalar-tensor theories |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2509.05202 |