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Article: Dynamics of compact quantum electrodynamics at large fermion flavor

TitleDynamics of compact quantum electrodynamics at large fermion flavor
Authors
KeywordsGround state
Lattice theory
Monte Carlo methods
Phase diagrams
Quantum theory
Issue Date2019
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, 2019, v. 100 n. 8, p. article no. 085123 How to Cite?
AbstractThanks to the development in quantum Monte Carlo technique, the compact U(1) lattice gauge theory coupled to fermionic matter at (2+1)D is now accessible with large-scale numerical simulations, and the ground state phase diagram as a function of fermion flavor (Nf) and the strength of gauge fluctuations is mapped out. Here we focus on the large fermion flavor case (Nf=8) to investigate the dynamic properties across the deconfinement-to-confinement phase transition. In the deconfined phase, fermions coupled to the fluctuating gauge field to form U(1) spin liquid with continua in both spin and dimer spectral functions, and in the confined phase fermions are gapped out into valence bond solid phase with translational symmetry breaking and gapped spectra. The dynamical behaviors provide supporting evidence for the existence of the U(1) deconfined phase and could shine light on the nature of the U(1)-to-VBS phase transition which is of the QED3-Gross-Neveu chiral O(2) universality whose properties are still largely unknown. © 2019 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/275744
ISSN
2019 Impact Factor: 3.575

 

DC FieldValueLanguage
dc.contributor.authorWang, W-
dc.contributor.authorLu, DC-
dc.contributor.authorXu, XY-
dc.contributor.authorYou, YZ-
dc.contributor.authorMeng, ZY-
dc.date.accessioned2019-09-10T02:48:48Z-
dc.date.available2019-09-10T02:48:48Z-
dc.date.issued2019-
dc.identifier.citationPhysical Review B: covering condensed matter and materials physics, 2019, v. 100 n. 8, p. article no. 085123-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/275744-
dc.description.abstractThanks to the development in quantum Monte Carlo technique, the compact U(1) lattice gauge theory coupled to fermionic matter at (2+1)D is now accessible with large-scale numerical simulations, and the ground state phase diagram as a function of fermion flavor (Nf) and the strength of gauge fluctuations is mapped out. Here we focus on the large fermion flavor case (Nf=8) to investigate the dynamic properties across the deconfinement-to-confinement phase transition. In the deconfined phase, fermions coupled to the fluctuating gauge field to form U(1) spin liquid with continua in both spin and dimer spectral functions, and in the confined phase fermions are gapped out into valence bond solid phase with translational symmetry breaking and gapped spectra. The dynamical behaviors provide supporting evidence for the existence of the U(1) deconfined phase and could shine light on the nature of the U(1)-to-VBS phase transition which is of the QED3-Gross-Neveu chiral O(2) universality whose properties are still largely unknown. © 2019 American Physical Society.-
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.rightsPhysical Review B: covering condensed matter and materials physics. Copyright © American Physical Society.-
dc.rightsCopyright [2019] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevB.100.085123].-
dc.subjectGround state-
dc.subjectLattice theory-
dc.subjectMonte Carlo methods-
dc.subjectPhase diagrams-
dc.subjectQuantum theory-
dc.titleDynamics of compact quantum electrodynamics at large fermion flavor-
dc.typeArticle-
dc.identifier.emailMeng, ZY: zymeng@hku.hk-
dc.identifier.authorityMeng, ZY=rp02524-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.100.085123-
dc.identifier.scopuseid_2-s2.0-85070687293-
dc.identifier.hkuros303780-
dc.identifier.volume100-
dc.identifier.issue8-
dc.identifier.spagearticle no. 085123-
dc.identifier.epagearticle no. 085123-
dc.publisher.placeUnited States-

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