Thermal Bhabha scattering under the influence of non-hermiticity effects
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866911451799617536 |
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| author | Cabral, D. S. Santos, A. F. Bufalo, R. |
| author_facet | Cabral, D. S. Santos, A. F. Bufalo, R. |
| contents | In this paper, we investigate the Bhabha scattering process within the framework of non-Hermitian QED at finite temperature. In this theory, the hermiticity condition, typically required in quantum field theory to ensure the reality of physical observables, is replaced by the condition of unbroken $PT$-symmetry which favors the introduction of an axial mass and a vector-axial gauge coupling. Using the Thermofield Dynamics formalism, we derive and comprehensively analyze the thermal differential cross section for the Bhabha scattering. Furthermore, we explore the high-energy limit of the scattering amplitude and establish constraints upon the axial coupling constant, offering valuable insights into the system's behavior under extreme conditions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_15093 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Thermal Bhabha scattering under the influence of non-hermiticity effects Cabral, D. S. Santos, A. F. Bufalo, R. High Energy Physics - Phenomenology High Energy Physics - Theory In this paper, we investigate the Bhabha scattering process within the framework of non-Hermitian QED at finite temperature. In this theory, the hermiticity condition, typically required in quantum field theory to ensure the reality of physical observables, is replaced by the condition of unbroken $PT$-symmetry which favors the introduction of an axial mass and a vector-axial gauge coupling. Using the Thermofield Dynamics formalism, we derive and comprehensively analyze the thermal differential cross section for the Bhabha scattering. Furthermore, we explore the high-energy limit of the scattering amplitude and establish constraints upon the axial coupling constant, offering valuable insights into the system's behavior under extreme conditions. |
| title | Thermal Bhabha scattering under the influence of non-hermiticity effects |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2602.15093 |