Publication Date

2000

Comments

This is the pre-published version harvested from ArXiv. The published version is located at http://eproceedings.worldscinet.com/9789812811387/9789812811387_0089.html

Abstract

A study of the Fröhlich polaron model is performed on the basis of diagrammatic quantum Monte Carlo technique which is enhanced by novel method of spectral analysis of the polaron Green function. We make available for the first time precise data for the effective mass, including the region of intermediate and strong couplings, and analyze the structure of the polaron cloud. A non-trivial structure of the spectral density is observed: at high enough couplings the spectral continuum features pronounced peaks that we attribute to unstable excited states of the polaron.

Pages

372-375

Book Series Title

EXCITONIC PROCESSES IN CONDENSED MATTER



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