Vector and tensor spin polarization for vector bosons at local equilibrium
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| Publicado en: | Journal of High Energy Physics vol. 2025, no. 7 (Jul 2025), p. 224 |
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| Autor principal: | |
| Otros Autores: | , , |
| Publicado: |
Springer Nature B.V.
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| Materias: | |
| Acceso en línea: | Citation/Abstract Full Text - PDF |
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| 022 | |a 1029-8479 | ||
| 024 | 7 | |a 10.1007/JHEP07(2025)224 |2 doi | |
| 035 | |a 3233382155 | ||
| 045 | 2 | |b d20250701 |b d20250731 | |
| 084 | |a 243435 |2 nlm | ||
| 100 | 1 | |a Zhang, Zhong-Hua |u Fudan University, Physics Department and Center for Field Theory and Particle Physics, Shanghai, China (GRID:grid.8547.e) (ISNI:0000 0001 0125 2443) | |
| 245 | 1 | |a Vector and tensor spin polarization for vector bosons at local equilibrium | |
| 260 | |b Springer Nature B.V. |c Jul 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a We derive expressions for the vector and tensor components of the spin polarization of massive vector bosons at local thermodynamic equilibrium up to second order in the space-time gradients of the thermodynamic fields pertaining to the canonical stress-energy tensor and spin tensor of the free Proca field. A set of Feynman rules is devised to calculate the Wigner function and the matrix-valued spin-dependent distribution (MVSD) functions order by order in space-time gradients. Due to constraints imposed by time-reversal symmetry, the leading contribution to spin alignment — defined as the 00-component of the tensor polarization — arises from second-order terms in MVSD, for which we provide an analytic formula. We discuss the physical meaning of different contributions to vector and tensor polarization. These formulae provide a prediction of a contribution to the spin alignment which can be compared with the observations in relativistic heavy-ion collisions. | |
| 653 | |a Thermodynamics | ||
| 653 | |a Heavy ions | ||
| 653 | |a Nuclear physics | ||
| 653 | |a Alignment | ||
| 653 | |a Quarks | ||
| 653 | |a Collaboration | ||
| 653 | |a Bosons | ||
| 653 | |a Polarization (spin alignment) | ||
| 653 | |a Equilibrium | ||
| 653 | |a Tensors | ||
| 653 | |a Spacetime | ||
| 653 | |a Gravitational waves | ||
| 653 | |a Ionic collisions | ||
| 653 | |a Local thermodynamic equilibrium | ||
| 653 | |a Particle physics | ||
| 653 | |a Statistical methods | ||
| 700 | 1 | |a Huang, Xu-Guang |u Fudan University, Physics Department and Center for Field Theory and Particle Physics, Shanghai, China (GRID:grid.8547.e) (ISNI:0000 0001 0125 2443); Fudan University, Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Shanghai, China (GRID:grid.8547.e) (ISNI:0000 0001 0125 2443); National Natural Science Foundation of China and Fudan University, Shanghai Research Center for Theoretical Nuclear Physics, Shanghai, China (GRID:grid.8547.e) (ISNI:0000 0001 0125 2443) | |
| 700 | 1 | |a Becattini, Francesco |u Università di Firenze and INFN Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148) | |
| 700 | 1 | |a Sheng, Xin-Li |u Università di Firenze and INFN Sezione di Firenze, Sesto Fiorentino, Italy (GRID:grid.470204.5) (ISNI:0000 0001 2231 4148) | |
| 773 | 0 | |t Journal of High Energy Physics |g vol. 2025, no. 7 (Jul 2025), p. 224 | |
| 786 | 0 | |d ProQuest |t Advanced Technologies & Aerospace Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3233382155/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3233382155/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |