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Download fileMobile small polaron
preprint
posted on 2006-03-31, 15:55 authored by A.S. Alexandrov, P.E. KornilovitchExtending the Froehlich polaron problem to a discrete ionic lattice we study a polaronic state with a small radius of the wave function but a large size of the lattice distortion. We calculate the energy dispersion and the effective mass of the polaron with the 1/\lambda perturbation theory and with the exact Monte Carlo method in the nonadiabatic and adiabatic regimes, respectively. The "small" Froehlich polaron is found to be lighter than the small Holstein polaron by one or more orders of magnitude.
History
School
- Science
Department
- Physics
Pages
126677 bytesPublication date
1998Notes
This is a pre-print. The definitive version: ALEXANDROV and KORNILOVITCH, 1999. Mobile small polaron. Physical Review Letters, 82(4), pp. 807-810, is available at: http://prl.aps.org/.Language
- en