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Exact eigenstates for a class of models describing multiphoton processes in the presence of seven bosonic modes |
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| Authors: | |
| Institution: | 1. State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China 2. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China |
| Abstract: | We present the analytical expressions of eigenstates and eigenenergies by using a parameter λ without the assumption of Bethe anzatz for three kinds of seven-bosonic-mode mixing models. The parameter is shown to be, determined by the roots of a simple polynomial. We also demonstrate the exact analytical expressions of eigenstates and energies without any unknown parameter. |
| Keywords: | spectra eigenstate eigenvalue |
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