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Article: Topological s-wave superconductors driven by electron correlation

TitleTopological s-wave superconductors driven by electron correlation
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. 2, p. article no. 024514 How to Cite?
AbstractIt is interesting to ask whether electron interaction can turn a topologically trivial superconductor into a nontrivial one without the presence of spin-orbital coupling. In this paper we solve a correlated s-wave superconducting model exactly. The variation of the fermion number parity of the superconducting ground state as a function of the electron interaction is calculated, and the topological phase diagram is obtained. Topological s-wave superconducting states are revealed in the doped Mott insulators, which is further confirmed by the numerical investigation of the topological boundary zero mode.
Persistent Identifierhttp://hdl.handle.net/10722/296303
ISSN
2020 Impact Factor: 4.036
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, HS-
dc.contributor.authorLi, Z-
dc.contributor.authorHan, Q-
dc.contributor.authorWang, ZD-
dc.date.accessioned2021-02-22T04:53:24Z-
dc.date.available2021-02-22T04:53:24Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review B: covering condensed matter and materials physics, 2021, v. 103 n. 2, p. article no. 024514-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/296303-
dc.description.abstractIt is interesting to ask whether electron interaction can turn a topologically trivial superconductor into a nontrivial one without the presence of spin-orbital coupling. In this paper we solve a correlated s-wave superconducting model exactly. The variation of the fermion number parity of the superconducting ground state as a function of the electron interaction is calculated, and the topological phase diagram is obtained. Topological s-wave superconducting states are revealed in the doped Mott insulators, which is further confirmed by the numerical investigation of the topological boundary zero mode.-
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.103.024514].-
dc.titleTopological s-wave superconductors driven by electron correlation-
dc.typeArticle-
dc.identifier.emailWang, ZD: physhead@hku.hk-
dc.identifier.authorityWang, ZD=rp00818-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.103.024514-
dc.identifier.hkuros321403-
dc.identifier.volume103-
dc.identifier.issue2-
dc.identifier.spagearticle no. 024514-
dc.identifier.epagearticle no. 024514-
dc.identifier.isiWOS:000608617800008-
dc.publisher.placeUnited States-

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