Dynamical equilibria of fast neutrino flavor conversion
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911194883817472 |
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| author | Liu, Jiabao Johns, Lucas Nagakura, Hiroki Zaizen, Masamichi Yamada, Shoichi |
| author_facet | Liu, Jiabao Johns, Lucas Nagakura, Hiroki Zaizen, Masamichi Yamada, Shoichi |
| contents | Dense neutrino systems, which display collectivity mediated by the weak interaction, have deep parallels with mean-field kinetic systems governed by other fundamental forces. We identify analogues in fast flavor conversion (FFC) of some time-honored nonlinear phenomena in plasmas and self-gravitating systems. We focus in particular on nonlinear Landau damping and collisionless equilibria, which are likely important pieces of the unsolved puzzle of neutrino oscillations in core-collapse supernovae and neutron star mergers. Our analysis additionally reveals the previously unexplored phenomenon of flavor-wave synchronization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_26418 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dynamical equilibria of fast neutrino flavor conversion Liu, Jiabao Johns, Lucas Nagakura, Hiroki Zaizen, Masamichi Yamada, Shoichi High Energy Astrophysical Phenomena High Energy Physics - Theory Dense neutrino systems, which display collectivity mediated by the weak interaction, have deep parallels with mean-field kinetic systems governed by other fundamental forces. We identify analogues in fast flavor conversion (FFC) of some time-honored nonlinear phenomena in plasmas and self-gravitating systems. We focus in particular on nonlinear Landau damping and collisionless equilibria, which are likely important pieces of the unsolved puzzle of neutrino oscillations in core-collapse supernovae and neutron star mergers. Our analysis additionally reveals the previously unexplored phenomenon of flavor-wave synchronization. |
| title | Dynamical equilibria of fast neutrino flavor conversion |
| topic | High Energy Astrophysical Phenomena High Energy Physics - Theory |
| url | https://arxiv.org/abs/2509.26418 |