Anomalous-magnetic-moment-enhanced Casimir effect
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911637211971584 |
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| author | Fujii, Daisuke Nakayama, Katsumasa Suzuki, Kei |
| author_facet | Fujii, Daisuke Nakayama, Katsumasa Suzuki, Kei |
| contents | We theoretically investigate the impact of the anomalous magnetic moment (AMM) of Dirac fermions on the fermionic Casimir effect under magnetic fields. We formulate it as an extension of the well-known Lifshitz formula. From our formula, we find that the AMM increases the fermionic Casimir energy. In particular, when the AMM is large enough, the Casimir energy is significantly enhanced by the gapless behavior of the lowest Landau level. We also quantitatively estimate the Casimir energy from electron, muon, and constituent quark fields under magnetic fields and propose possible phenomena at finite temperature and fermion density. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_14015 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Anomalous-magnetic-moment-enhanced Casimir effect Fujii, Daisuke Nakayama, Katsumasa Suzuki, Kei High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory Quantum Physics We theoretically investigate the impact of the anomalous magnetic moment (AMM) of Dirac fermions on the fermionic Casimir effect under magnetic fields. We formulate it as an extension of the well-known Lifshitz formula. From our formula, we find that the AMM increases the fermionic Casimir energy. In particular, when the AMM is large enough, the Casimir energy is significantly enhanced by the gapless behavior of the lowest Landau level. We also quantitatively estimate the Casimir energy from electron, muon, and constituent quark fields under magnetic fields and propose possible phenomena at finite temperature and fermion density. |
| title | Anomalous-magnetic-moment-enhanced Casimir effect |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory Quantum Physics |
| url | https://arxiv.org/abs/2507.14015 |