arXiv:1403.2920 · Progress of Theoretical and Experimental Physics

Large-radius Holstein polaron and the problem of spontaneous symmetry breaking

V. D. Lakhno

Published Jul 1, 2014• 7 citations

Abstract

A translation-invariant solution is found for a large-radius Holstein polaron whose energy in the strong coupling limit is lower than that obtained by Holstein. The wave function corresponding to this solution is delocalized. A conclusion is made about the absence of a spontaneous symmetry breaking in the quantum system discussed.

DOI: 10.1093/ptep/ptu075

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