Corrections from space-time dependent electromagnetic fields to Wigner functions and spin polarization
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866916405403713536 |
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| author | Yang, Shi-Zheng Gao, Jian-Hua Pu, Shi |
| author_facet | Yang, Shi-Zheng Gao, Jian-Hua Pu, Shi |
| contents | We have derived the Wigner equations at global equilibrium with constant vorticity but space-time dependent electromagnetic fields up to second order in semiclassical expansion. We obtain the new second-order contributions to the charge currents and energy-momentum tensor from the varying electromagnetic fields. We also compute the new corrections to the spin polarization pesudo-vector from both contant and varying electromagnetic fields. We also find that the space-time dependent electromagnetic field provides a tighter constraint on the solutions of Wigner functions in global equilibrium compared with constant electromagnetic field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_00456 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Corrections from space-time dependent electromagnetic fields to Wigner functions and spin polarization Yang, Shi-Zheng Gao, Jian-Hua Pu, Shi High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory We have derived the Wigner equations at global equilibrium with constant vorticity but space-time dependent electromagnetic fields up to second order in semiclassical expansion. We obtain the new second-order contributions to the charge currents and energy-momentum tensor from the varying electromagnetic fields. We also compute the new corrections to the spin polarization pesudo-vector from both contant and varying electromagnetic fields. We also find that the space-time dependent electromagnetic field provides a tighter constraint on the solutions of Wigner functions in global equilibrium compared with constant electromagnetic field. |
| title | Corrections from space-time dependent electromagnetic fields to Wigner functions and spin polarization |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory |
| url | https://arxiv.org/abs/2409.00456 |