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Article: Extended Hubbard model of superconductivity and charge-density-waves in the layered 2H transition metal dichalcogenides
Title | Extended Hubbard model of superconductivity and charge-density-waves in the layered 2H transition metal dichalcogenides |
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Authors | |
Keywords | Physics |
Issue Date | 2006 |
Publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ |
Citation | Physical Review B (Condensed Matter and Materials Physics), 2006, v. 74 n. 21, article no. 212507 How to Cite? |
Abstract | Based on an extended Hubbard model and a simplified version of the fluctuation exchange (FLEX) approximation, we explore the charge-density wave (CDW) and superconductivity in the layered transition metal dichalcogenides (TMDs). A quantitative analysis on a simplified model of the 2H-Ta S2 is presented. It is demonstrated that the CDW may originate from a combined effect of the scattering between flat bands and an intrinsic property of the off-site Coulomb repulsions. Moreover, the effect of the off-site Coulomb repulsion on the competition of the CDW and superconductivity is elaborated. © 2006 The American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/45274 |
ISSN | 2014 Impact Factor: 3.736 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Yao, ZJ | en_HK |
dc.contributor.author | Li, JX | en_HK |
dc.contributor.author | Wang, ZD | en_HK |
dc.date.accessioned | 2007-10-30T06:21:30Z | - |
dc.date.available | 2007-10-30T06:21:30Z | - |
dc.date.issued | 2006 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter and Materials Physics), 2006, v. 74 n. 21, article no. 212507 | - |
dc.identifier.issn | 1098-0121 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/45274 | - |
dc.description.abstract | Based on an extended Hubbard model and a simplified version of the fluctuation exchange (FLEX) approximation, we explore the charge-density wave (CDW) and superconductivity in the layered transition metal dichalcogenides (TMDs). A quantitative analysis on a simplified model of the 2H-Ta S2 is presented. It is demonstrated that the CDW may originate from a combined effect of the scattering between flat bands and an intrinsic property of the off-site Coulomb repulsions. Moreover, the effect of the off-site Coulomb repulsion on the competition of the CDW and superconductivity is elaborated. © 2006 The American Physical Society. | en_HK |
dc.format.extent | 171748 bytes | - |
dc.format.extent | 5669 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter and Materials Physics) | - |
dc.rights | Copyright 2006 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.74.212507 | - |
dc.subject | Physics | en_HK |
dc.title | Extended Hubbard model of superconductivity and charge-density-waves in the layered 2H transition metal dichalcogenides | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=74&issue=21&spage=212507:1&epage=4&date=2006&atitle=Extended+hubbard+model+of+superconductivity+and+charge-density-waves+in+the+layered+2h+transition+metal+dichalcogenides | en_HK |
dc.identifier.email | Yao, ZJ: zjyao@hku.hk | en_HK |
dc.identifier.email | Wang, ZD: zwang@hkucc.hku.hk | en_HK |
dc.identifier.authority | Yao, ZJ=rp00828 | en_HK |
dc.identifier.authority | Wang, ZD=rp00802 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevB.74.212507 | en_HK |
dc.identifier.scopus | eid_2-s2.0-33846376757 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33846376757&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 74 | en_HK |
dc.identifier.issue | 21 | en_HK |
dc.identifier.spage | article no. 212507 | - |
dc.identifier.epage | article no. 212507 | - |
dc.identifier.isi | WOS:000243195500020 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Yao, ZJ=24172115800 | en_HK |
dc.identifier.scopusauthorid | Li, JX=8678926100 | en_HK |
dc.identifier.scopusauthorid | Wang, ZD=14828459100 | en_HK |
dc.identifier.issnl | 1098-0121 | - |