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Article: Ferrimagnetism in the organic polymeric Hubbard model: Quantum Monte Carlo simulation

TitleFerrimagnetism in the organic polymeric Hubbard model: Quantum Monte Carlo simulation
Authors
KeywordsPhysics
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 1999, v. 59 n. 5, p. 3321-3324 How to Cite?
AbstractThe ground-state properties of organic polymers are studied by means of the quantum Monte Carlo simulation. The polymer doped by transition-metal impurities at every other radical site of the chain is described by the quasi-one-dimensional polymeric Hubbard chain. The topological structure of the chain possesses a flat-band structure of the energy band. The spin-spin correlation function and the static magnetic susceptibility are investigated in the case of half filling. Our analysis shows that the on-site Coulomb repulsions in the chain and/or in the radical lead to the coexistence of ferromagnetic and antiferromagnetic order, i.e., the ferrimagnetic order. The on-site Coulomb repulsion (U d) of electrons at the radicals plays a more significant role in stabilizing the ferromagnetic order than that (U) on the chain does, while U has a stronger impact on the antiferromagnetic order. © 1999 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/43258
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiang, SDen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorWang, Qen_HK
dc.contributor.authorShen, SQen_HK
dc.date.accessioned2007-03-23T04:42:20Z-
dc.date.available2007-03-23T04:42:20Z-
dc.date.issued1999en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 1999, v. 59 n. 5, p. 3321-3324en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43258-
dc.description.abstractThe ground-state properties of organic polymers are studied by means of the quantum Monte Carlo simulation. The polymer doped by transition-metal impurities at every other radical site of the chain is described by the quasi-one-dimensional polymeric Hubbard chain. The topological structure of the chain possesses a flat-band structure of the energy band. The spin-spin correlation function and the static magnetic susceptibility are investigated in the case of half filling. Our analysis shows that the on-site Coulomb repulsions in the chain and/or in the radical lead to the coexistence of ferromagnetic and antiferromagnetic order, i.e., the ferrimagnetic order. The on-site Coulomb repulsion (U d) of electrons at the radicals plays a more significant role in stabilizing the ferromagnetic order than that (U) on the chain does, while U has a stronger impact on the antiferromagnetic order. © 1999 The American Physical Society.en_HK
dc.format.extent116331 bytes-
dc.format.extent45056 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_HK
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleFerrimagnetism in the organic polymeric Hubbard model: Quantum Monte Carlo simulationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=59&issue=5&spage=3321&epage=3324&date=1999&atitle=Ferrimagnetism+in+the+organic+polymeric+Hubbard+model:+Quantum+Monte+Carlo+simulationen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.59.3321en_HK
dc.identifier.scopuseid_2-s2.0-0001423290en_HK
dc.identifier.hkuros39335-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0001423290&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume59en_HK
dc.identifier.issue5en_HK
dc.identifier.spage3321en_HK
dc.identifier.epage3324en_HK
dc.identifier.isiWOS:000078699300016-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiang, SD=36813644000en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridWang, Q=7406916485en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK

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