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Article: Widely existing mixed phase structure of the quantum dimer model on a square lattice

TitleWidely existing mixed phase structure of the quantum dimer model on a square lattice
Authors
Issue Date2021
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, 2021, v. 103 n. 9, article no. 094421 How to Cite?
AbstractThe quantum dimer model is a low-energy effective model for many magnetic systems (materials) that are candidates for quantum spin liquids. It has strict local constraints which is described by gauge field theory. However, since constraints hinder the application of numerical algorithms, the phase diagrams of quantum dimer models are still controversial, even on a square lattice. The core controversy is whether the mixed state exists due to the restriction. In this paper, we give strong evidence to solve this dispute. With our sweeping cluster quantum Monte Carlo method, we studied the phase diagram of a large parameter region by introducing the definition of the pair correlation function and other supporting evidence to distinguish the mixed phase from the columnar phase with high precision. In particular, we find that the ground state belongs to the mixed phase for a vast parameter region.
Persistent Identifierhttp://hdl.handle.net/10722/300257
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYan, Z-
dc.contributor.authorZhou, Z-
dc.contributor.authorSyljuåsen, OF-
dc.contributor.authorZhang, J-
dc.contributor.authorYuan, T-
dc.contributor.authorLou, J-
dc.contributor.authorChen, Y-
dc.date.accessioned2021-06-04T08:40:23Z-
dc.date.available2021-06-04T08:40:23Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review B: covering condensed matter and materials physics, 2021, v. 103 n. 9, article no. 094421-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/300257-
dc.description.abstractThe quantum dimer model is a low-energy effective model for many magnetic systems (materials) that are candidates for quantum spin liquids. It has strict local constraints which is described by gauge field theory. However, since constraints hinder the application of numerical algorithms, the phase diagrams of quantum dimer models are still controversial, even on a square lattice. The core controversy is whether the mixed state exists due to the restriction. In this paper, we give strong evidence to solve this dispute. With our sweeping cluster quantum Monte Carlo method, we studied the phase diagram of a large parameter region by introducing the definition of the pair correlation function and other supporting evidence to distinguish the mixed phase from the columnar phase with high precision. In particular, we find that the ground state belongs to the mixed phase for a vast parameter region.-
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 [2021] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevB.103.094421].-
dc.titleWidely existing mixed phase structure of the quantum dimer model on a square lattice-
dc.typeArticle-
dc.identifier.emailYan, Z: zhengyan@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.103.094421-
dc.identifier.scopuseid_2-s2.0-85102866399-
dc.identifier.hkuros322594-
dc.identifier.volume103-
dc.identifier.issue9-
dc.identifier.spagearticle no. 094421-
dc.identifier.epagearticle no. 094421-
dc.identifier.isiWOS:000646411000002-
dc.publisher.placeUnited States-

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