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Article: Ferromagnetism, dimerization, charge and spin density waves in quasi-one-dimensional organic polymers: Self-consistent mean field theory

TitleFerromagnetism, dimerization, charge and spin density waves in quasi-one-dimensional organic polymers: Self-consistent mean field theory
Authors
Issue Date1998
PublisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/ijmpb/ijmpb.shtml
Citation
International Journal Of Modern Physics B, 1998, v. 12 n. 20, p. 2031-2044 How to Cite?
AbstractWe address the low temperature properties of quasi-one-dimensional organic polymers, which may be described by a modified Anderson lattice-Su-Schrieffer-Heeger Hamiltonian. The condition and nature of various orders, such as, the ferromagnetic order, the dimerization order, the charge density wave order and the spin density wave order, are analyzed by a self-consistent mean field theory. Analytical results are obtained for a specific case. The topological structure of the chain leads to a flatband structure of the energy band, which gives rise to a ferromagnetic order in the case of half filling at low temperatures. The on-site Coulomb repulsion enhances the ferromagnetic order, while the nearest-neighbor interaction (V) suppresses both the ferromagnetic order and the dimerization, and leads to the charge density wave. The π-d hybridization (t d) suppresses the dimerization, and does not affect the magnetization. The ferromagnetic order and dimerization order coexist for weak t d.
Persistent Identifierhttp://hdl.handle.net/10722/81013
ISSN
2023 Impact Factor: 2.6
2023 SCImago Journal Rankings: 0.298
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiang, SDen_HK
dc.contributor.authorWang, Qen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorShen, SQen_HK
dc.date.accessioned2010-09-06T08:12:46Z-
dc.date.available2010-09-06T08:12:46Z-
dc.date.issued1998en_HK
dc.identifier.citationInternational Journal Of Modern Physics B, 1998, v. 12 n. 20, p. 2031-2044en_HK
dc.identifier.issn0217-9792en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81013-
dc.description.abstractWe address the low temperature properties of quasi-one-dimensional organic polymers, which may be described by a modified Anderson lattice-Su-Schrieffer-Heeger Hamiltonian. The condition and nature of various orders, such as, the ferromagnetic order, the dimerization order, the charge density wave order and the spin density wave order, are analyzed by a self-consistent mean field theory. Analytical results are obtained for a specific case. The topological structure of the chain leads to a flatband structure of the energy band, which gives rise to a ferromagnetic order in the case of half filling at low temperatures. The on-site Coulomb repulsion enhances the ferromagnetic order, while the nearest-neighbor interaction (V) suppresses both the ferromagnetic order and the dimerization, and leads to the charge density wave. The π-d hybridization (t d) suppresses the dimerization, and does not affect the magnetization. The ferromagnetic order and dimerization order coexist for weak t d.en_HK
dc.languageengen_HK
dc.publisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/ijmpb/ijmpb.shtmlen_HK
dc.relation.ispartofInternational Journal of Modern Physics Ben_HK
dc.titleFerromagnetism, dimerization, charge and spin density waves in quasi-one-dimensional organic polymers: Self-consistent mean field theoryen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0217-9792&volume=12&spage=2031&epage=2044&date=1998&atitle=Ferromagnetism,+Dimerization,+Charge+and+Spin+Density+Waves+in+Quasi-One-Dimensional+Organic+Polymers:+Self-Consistent+Mean+Field+Theoryen_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.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-2742607242en_HK
dc.identifier.hkuros38918en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2742607242&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue20en_HK
dc.identifier.spage2031en_HK
dc.identifier.epage2044en_HK
dc.identifier.isiWOS:000075814700003-
dc.publisher.placeSingaporeen_HK
dc.identifier.scopusauthoridLiang, SD=36813644000en_HK
dc.identifier.scopusauthoridWang, Q=7406916485en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.issnl0217-9792-

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