On the spectrum of the lattice spin-boson hamiltonian for any coupling: 1d case
A lattice model of radiative decay (so-called spin-boson model) of a two level atom and at most two photons is considered. The location of the essential spectrum is described. For any coupling constant, the finiteness of the number of eigenvalues below the bottom of its essential spectrum is proved....
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
American Institute of Physics
2014
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/59856/ http://dx.doi.org/10.1063/1.4921169 |
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