$\mathcal{PT}$-symmetry of Particle mixing theories and the equation of motion matrix
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914861659717632 |
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| author | Kaur, Kawaljeet Paul, Biswajit |
| author_facet | Kaur, Kawaljeet Paul, Biswajit |
| contents | A non-Hermitian complex scalar field model is considered from its $\mc{PT}$ symmetric aspect. A matrix constructed from the Euler-Lagrange equations of motion is utilized to analyze the states of the model. The model has two mass terms which determine the real or complex nature of the eigen values. A mismatch is found in the Lagrange equations of motion of the fields as the equations do not agree with the other after complex conjugation of the either. This is resolved by exploiting a preferred similarity transformation of the Lagrangian. The discrepancy even at the Hamiltonian level is found to have vanished once we consider the similarity transformed Hamiltonian. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_05821 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | $\mathcal{PT}$-symmetry of Particle mixing theories and the equation of motion matrix Kaur, Kawaljeet Paul, Biswajit High Energy Physics - Theory Quantum Physics A non-Hermitian complex scalar field model is considered from its $\mc{PT}$ symmetric aspect. A matrix constructed from the Euler-Lagrange equations of motion is utilized to analyze the states of the model. The model has two mass terms which determine the real or complex nature of the eigen values. A mismatch is found in the Lagrange equations of motion of the fields as the equations do not agree with the other after complex conjugation of the either. This is resolved by exploiting a preferred similarity transformation of the Lagrangian. The discrepancy even at the Hamiltonian level is found to have vanished once we consider the similarity transformed Hamiltonian. |
| title | $\mathcal{PT}$-symmetry of Particle mixing theories and the equation of motion matrix |
| topic | High Energy Physics - Theory Quantum Physics |
| url | https://arxiv.org/abs/2407.05821 |