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- Publisher Website: 10.1103/PhysRevB.94.115105
- Scopus: eid_2-s2.0-84990909346
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Article: Competing pairing channels in the doped honeycomb lattice Hubbard model
Title | Competing pairing channels in the doped honeycomb lattice Hubbard model |
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Authors | |
Issue Date | 2016 |
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, 2016, v. 94 n. 11, article no. 115105 How to Cite? |
Abstract | © 2016 American Physical Society. Proposals for superconductivity emerging from correlated electrons in the doped Hubbard model on the honeycomb lattice range from chiral d+id singlet to p+IP trIPlet pairing, depending on the considered range of doping and interaction strength, as well as the approach used to analyze the pairing instabilities. Here, we consider these scenarios using large-scale dynamic cluster approximation (DCA) calculations to examine the evolution in the leading pairing symmetry from weak to intermediate coupling strength. These calculations focus on doping levels around the van Hove singularity (VHS) and are performed using DCA simulations with an interaction-expansion continuous-time quantum Monte Carlo cluster solver. We calculated explicitly the temperature dependence of different uniform superconducting pairing susceptibilities and found a consistent picture emerging upon gradually increasing the cluster size: while at weak coupling the d+id singlet pairing dominates close to the VHS filling, an enhanced tendency towards p-wave trIPlet pairing upon further increasing the interaction strength is observed. The relevance of these systematic results for existing proposals and ongoing pursuits of odd-parity topological superconductivity are also discussed. |
Persistent Identifier | http://hdl.handle.net/10722/268584 |
ISSN | 2022 Impact Factor: 3.7 2020 SCImago Journal Rankings: 1.780 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Xu, Xiao Yan | - |
dc.contributor.author | Wessel, Stefan | - |
dc.contributor.author | Meng, Zi Yang | - |
dc.date.accessioned | 2019-03-25T08:00:08Z | - |
dc.date.available | 2019-03-25T08:00:08Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Physical Review B: covering condensed matter and materials physics, 2016, v. 94 n. 11, article no. 115105 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.uri | http://hdl.handle.net/10722/268584 | - |
dc.description.abstract | © 2016 American Physical Society. Proposals for superconductivity emerging from correlated electrons in the doped Hubbard model on the honeycomb lattice range from chiral d+id singlet to p+IP trIPlet pairing, depending on the considered range of doping and interaction strength, as well as the approach used to analyze the pairing instabilities. Here, we consider these scenarios using large-scale dynamic cluster approximation (DCA) calculations to examine the evolution in the leading pairing symmetry from weak to intermediate coupling strength. These calculations focus on doping levels around the van Hove singularity (VHS) and are performed using DCA simulations with an interaction-expansion continuous-time quantum Monte Carlo cluster solver. We calculated explicitly the temperature dependence of different uniform superconducting pairing susceptibilities and found a consistent picture emerging upon gradually increasing the cluster size: while at weak coupling the d+id singlet pairing dominates close to the VHS filling, an enhanced tendency towards p-wave trIPlet pairing upon further increasing the interaction strength is observed. The relevance of these systematic results for existing proposals and ongoing pursuits of odd-parity topological superconductivity are also discussed. | - |
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.title | Competing pairing channels in the doped honeycomb lattice Hubbard model | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevB.94.115105 | - |
dc.identifier.scopus | eid_2-s2.0-84990909346 | - |
dc.identifier.volume | 94 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | article no. 115105 | - |
dc.identifier.epage | article no. 115105 | - |
dc.identifier.eissn | 2469-9969 | - |
dc.identifier.isi | WOS:000383038900003 | - |
dc.identifier.issnl | 2469-9950 | - |