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Article: Langevin simulations of the half-filled cubic Holstein model

TitleLangevin simulations of the half-filled cubic Holstein model
Authors
KeywordsCharge correlation
Honeycomb lattices
Langevin simulations
Numerical methodologies
Phonon frequencies
Issue Date2020
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/
Citation
Physical Review B: covering condensed matter and materials physics, 2020, v. 102 n. 16, p. article no. 161108 How to Cite?
AbstractOver the past several years, reliable quantum Monte Carlo results for the charge density wave transition temperature Tcdw of the half-filled two-dimensional Holstein model in square and honeycomb lattices have become available for the first time. Exploiting the further development of numerical methodology, here we present results in three dimensions, which are made possible through the use of Langevin evolution of the quantum phonon degrees of freedom. In addition to determining Tcdw from the scaling of the charge correlations, we also examine the nature of charge order at general wave vectors for different temperatures, couplings, and phonon frequencies, and the behavior of the spectral function and specific heat.
Persistent Identifierhttp://hdl.handle.net/10722/290645
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCohen-Stead, B-
dc.contributor.authorBarros, K-
dc.contributor.authorMeng, Z-
dc.contributor.authorChen, C-
dc.contributor.authorScalettar, RT-
dc.contributor.authorBatrouni, GG-
dc.date.accessioned2020-11-02T05:45:08Z-
dc.date.available2020-11-02T05:45:08Z-
dc.date.issued2020-
dc.identifier.citationPhysical Review B: covering condensed matter and materials physics, 2020, v. 102 n. 16, p. article no. 161108-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/290645-
dc.description.abstractOver the past several years, reliable quantum Monte Carlo results for the charge density wave transition temperature Tcdw of the half-filled two-dimensional Holstein model in square and honeycomb lattices have become available for the first time. Exploiting the further development of numerical methodology, here we present results in three dimensions, which are made possible through the use of Langevin evolution of the quantum phonon degrees of freedom. In addition to determining Tcdw from the scaling of the charge correlations, we also examine the nature of charge order at general wave vectors for different temperatures, couplings, and phonon frequencies, and the behavior of the spectral function and specific heat.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/-
dc.relation.ispartofPhysical Review B: covering condensed matter and materials physics-
dc.rightsCopyright [2020] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevB.102.161108].-
dc.subjectCharge correlation-
dc.subjectHoneycomb lattices-
dc.subjectLangevin simulations-
dc.subjectNumerical methodologies-
dc.subjectPhonon frequencies-
dc.titleLangevin simulations of the half-filled cubic Holstein model-
dc.typeArticle-
dc.identifier.emailMeng, Z: zymeng@hku.hk-
dc.identifier.authorityMeng, Z=rp02524-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.102.161108-
dc.identifier.scopuseid_2-s2.0-85094584719-
dc.identifier.hkuros318564-
dc.identifier.volume102-
dc.identifier.issue16-
dc.identifier.spagearticle no. 161108-
dc.identifier.epagearticle no. 161108-
dc.identifier.isiWOS:000576889500001-
dc.publisher.placeUnited States-
dc.identifier.issnl2469-9950-

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