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Article: Confinement transition in the QED3-Gross-Neveu-XY universality class
Title | Confinement transition in the QED3-Gross-Neveu-XY universality class |
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Authors | |
Issue Date | 2020 |
Publisher | American 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. 101 n. 23, article no. 235118 How to Cite? |
Abstract | The coupling between fermionic matter and gauge fields plays a fundamental role in our understanding of nature, while at the same time posing a challenging problem for theoretical modeling. In this situation, controlled information can be gained by combining different complementary approaches. Here, we study a confinement transition in a system of Nf flavors of interacting Dirac fermions charged under a U(1) gauge field in 2+1 dimensions. Using quantum Monte Carlo simulations, we investigate a lattice model that exhibits a continuous transition at zero temperature between a gapless deconfined phase, described by three-dimensional quantum electrodynamics, and a gapped confined phase, in which the system develops valence-bond-solid order. We argue that the quantum critical point is in the universality class of the QED3-Gross-Neveu-XY model. We study this field theory within a 1/Nf expansion in fixed dimension as well as a renormalization group analysis in 4-ϵ space-time dimensions. The consistency between numerical and analytical results is revealed from large to intermediate flavor number. |
Persistent Identifier | http://hdl.handle.net/10722/285489 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 1.345 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Janssen, L | - |
dc.contributor.author | Wang, W | - |
dc.contributor.author | Scherer, MM | - |
dc.contributor.author | Meng, ZY | - |
dc.contributor.author | Xu, XY | - |
dc.date.accessioned | 2020-08-18T03:53:54Z | - |
dc.date.available | 2020-08-18T03:53:54Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Physical Review B: covering condensed matter and materials physics, 2020, v. 101 n. 23, article no. 235118 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.uri | http://hdl.handle.net/10722/285489 | - |
dc.description.abstract | The coupling between fermionic matter and gauge fields plays a fundamental role in our understanding of nature, while at the same time posing a challenging problem for theoretical modeling. In this situation, controlled information can be gained by combining different complementary approaches. Here, we study a confinement transition in a system of Nf flavors of interacting Dirac fermions charged under a U(1) gauge field in 2+1 dimensions. Using quantum Monte Carlo simulations, we investigate a lattice model that exhibits a continuous transition at zero temperature between a gapless deconfined phase, described by three-dimensional quantum electrodynamics, and a gapped confined phase, in which the system develops valence-bond-solid order. We argue that the quantum critical point is in the universality class of the QED3-Gross-Neveu-XY model. We study this field theory within a 1/Nf expansion in fixed dimension as well as a renormalization group analysis in 4-ϵ space-time dimensions. The consistency between numerical and analytical results is revealed from large to intermediate flavor number. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ | - |
dc.relation.ispartof | Physical Review B: covering condensed matter and materials physics | - |
dc.rights | Copyright 2020 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.101.235118. | - |
dc.title | Confinement transition in the QED3-Gross-Neveu-XY universality class | - |
dc.type | Article | - |
dc.identifier.email | Meng, ZY: zymeng@hku.hk | - |
dc.identifier.authority | Meng, ZY=rp02524 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.101.235118 | - |
dc.identifier.scopus | eid_2-s2.0-85087180731 | - |
dc.identifier.hkuros | 312818 | - |
dc.identifier.volume | 101 | - |
dc.identifier.issue | 23 | - |
dc.identifier.spage | article no. 235118 | - |
dc.identifier.epage | article no. 235118 | - |
dc.identifier.isi | WOS:000537619200002 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 2469-9950 | - |