Using complex scaling on a 1D scattering Hamiltonian, the authors realize an exceptional point from resonance-continuum coalescence and derive the associated Berry phase and Chern characteristic.
Spectral properties of many-body schroedinger operators with dilatation-analytic interactions,
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Complex scaling unifies quasinormal modes and continuum response for black-hole perturbations in four-dimensional Schwarzschild-de Sitter spacetimes.
Complex scaling converts outgoing boundary conditions into eigenvalue problems to compute quasinormal frequencies for Schwarzschild and Reissner-Nordström black holes, including the extremal limit.
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Geometric phase from encircling an exceptional point of a quantum resonance in the complex-scaling method
Using complex scaling on a 1D scattering Hamiltonian, the authors realize an exceptional point from resonance-continuum coalescence and derive the associated Berry phase and Chern characteristic.
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Quasinormal modes and continuum response of de Sitter black holes via complex scaling method
Complex scaling unifies quasinormal modes and continuum response for black-hole perturbations in four-dimensional Schwarzschild-de Sitter spacetimes.
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Complex scaling approach to quasinormal modes of Schwarzschild and Reissner--Nordstr\"om black holes
Complex scaling converts outgoing boundary conditions into eigenvalue problems to compute quasinormal frequencies for Schwarzschild and Reissner-Nordström black holes, including the extremal limit.