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Mattis, Daniel C. | Multicomponent polaron | By a slight modification of the Fröhlich Hamiltonian (the introduction of an internal quantum number) we reduce the polaron problem to the solution of a continued fraction, even at finite temperature. We analyze both the stationary states and the resonances (in one- and three-dimensional versions o... | Ground-state energy; Coupling constant; Fröhlich model; Finite temperature | 1991-10 |
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