A dynamical Einstein-Born-Infeld-dilaton model and holographic quarkonium melting in a magnetic field
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866909431162208256 |
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| author | Jena, Siddhi Swarupa Barman, Jyotirmoy Toniato, Bruno Dudal, David Mahapatra, Subhash |
| author_facet | Jena, Siddhi Swarupa Barman, Jyotirmoy Toniato, Bruno Dudal, David Mahapatra, Subhash |
| contents | We generalize the potential reconstruction method to set up a dynamical Einstein-Born-Infeld-dilaton model, which we then use to study holographic quarkonium melting in an external magnetic field. The non-linear nature of the model allows to couple the magnetic field to the quarkonium inner structure without having to introduce back-reacting charged flavour degrees of freedom. The magnetic field dependent melting temperature is computed from the spectral functions and suggests a switch from inverse magnetic to magnetic catalysis when the magnetic field increases. We also discuss the differences due to the anisotropy brought in by the external field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_14813 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A dynamical Einstein-Born-Infeld-dilaton model and holographic quarkonium melting in a magnetic field Jena, Siddhi Swarupa Barman, Jyotirmoy Toniato, Bruno Dudal, David Mahapatra, Subhash High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Experiment High Energy Physics - Lattice High Energy Physics - Phenomenology We generalize the potential reconstruction method to set up a dynamical Einstein-Born-Infeld-dilaton model, which we then use to study holographic quarkonium melting in an external magnetic field. The non-linear nature of the model allows to couple the magnetic field to the quarkonium inner structure without having to introduce back-reacting charged flavour degrees of freedom. The magnetic field dependent melting temperature is computed from the spectral functions and suggests a switch from inverse magnetic to magnetic catalysis when the magnetic field increases. We also discuss the differences due to the anisotropy brought in by the external field. |
| title | A dynamical Einstein-Born-Infeld-dilaton model and holographic quarkonium melting in a magnetic field |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Experiment High Energy Physics - Lattice High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2408.14813 |