Hidden free energy released by explicit parity-time-symmetry breaking
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866918283008016384 |
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| author | Qin, Hong Dorland, William Israeli, Ben Y. |
| author_facet | Qin, Hong Dorland, William Israeli, Ben Y. |
| contents | It is shown that the familiar two-stream instability is the result of spontaneous parity-time (PT)-symmetry breaking in a conservative system, and more importantly, explicit PT-symmetry breaking by viscosity can destabilize the system in certain parameter regimes that are stable when viscosity vanishes. This reveals that complex systems may possess hidden free energies protected by PT-symmetry and viscosity, albeit dissipative, can expose the systems to these freed energies by breaking PT-symmetry explicitly. Such a process is accompanied by instability and total variation growth. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_06952 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Hidden free energy released by explicit parity-time-symmetry breaking Qin, Hong Dorland, William Israeli, Ben Y. Plasma Physics Mathematical Physics Computational Physics Fluid Dynamics It is shown that the familiar two-stream instability is the result of spontaneous parity-time (PT)-symmetry breaking in a conservative system, and more importantly, explicit PT-symmetry breaking by viscosity can destabilize the system in certain parameter regimes that are stable when viscosity vanishes. This reveals that complex systems may possess hidden free energies protected by PT-symmetry and viscosity, albeit dissipative, can expose the systems to these freed energies by breaking PT-symmetry explicitly. Such a process is accompanied by instability and total variation growth. |
| title | Hidden free energy released by explicit parity-time-symmetry breaking |
| topic | Plasma Physics Mathematical Physics Computational Physics Fluid Dynamics |
| url | https://arxiv.org/abs/2601.06952 |