One-phonon Tamm-Dancoff approximation for the two-dimensional polaron in a magnetic field
One-phonon Tamm-Dancoff approximation for the two-dimensional polaron in a magnetic field
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Date
1989-01-16
Authors
Bhattacharya, Mamata
Chatterjee, Ashok
Mitra, T. K.
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Abstract
An upper bound to the ground state energy of a Fröhlich polaron in a magnetic field in two dimensions (2D) is obtained for the first time through a one-phonon Tamm-Dancoff approximation. This energy is shown to be identical to the Brillouin-Wigner perturbative result. © 1989.
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Physics Letters A. v.134(6)