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Cited by 377

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Diagrammatic quantum Monte Carlo study of the Fröhlich polaron

Mishchenko, A., Prokof’ev, N., Sakamoto, A., Svistunov, B.·2000·Physical Review B

Abstract

A detailed study of the Fr\"ohlich polaron model is performed on the basis of diagrammatic quantum Monte Carlo method [N. V. Prokof'ev and B. V. Svistunov, Phys. Rev. Lett. $81,$ 2514 (1998)]. The method is further developed both quantitatively (performance) and qualitatively (new estimators), and is enhanced by spectral analysis of the polaron Green's function, within an approach developed in the present paper. We present up to date results for the binding energy, and make available precise data for the effective mass, including the region of intermediate and strong couplings. We look at the structure of the polaron cloud and answer such questions as the average number of phonons in the cloud and their number/momentum distribution. The spectral analysis reveals nontrivial structure of the spectral density at intermediate and large coupling: the spectral continuum features pronounced peaks that we attribute to unstable excited states of the polaron.

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Metadata

Authors
Mishchenko, A., Prokof’ev, N., Sakamoto, A., & Svistunov, B.
Venue
Physical Review B
Published
2000-09
Volume
62
Issue
10
Pages
6317-6336
ISSN
  • 0163-1829 (ISSN-L)
  • 1095-3795
OpenAlex
W2080846398
Cited by
377
References
15
FWCI
3.55
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Diagrammatic quantum Monte Carlo study of the Fröhlich polaron. https://app.cochat.ai/papers/10.1103/physrevb.62.6317
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Mishchenko, A., Prokof’ev, N., Sakamoto, A., & Svistunov, B. (2000). Diagrammatic quantum Monte Carlo study of the Fröhlich polaron. Physical Review B. https://doi.org/10.1103/physrevb.62.6317

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.