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Article: Contractor renormalization group theory of SU(N) chains and ladders

TitleContractor renormalization group theory of SU(N) chains and ladders
Authors
Li, PShen, SQ
KeywordsPhysics
Issue Date2005
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2005, v. 71 n. 21, article no. 212401 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.71.212401
AbstractThe contractor renormalization group (CORE) method is applied to the SU(N) chain and ladders in this paper. In our designed schemes, we show that these two classes of systems can return to their original form of Hamiltonian after CORE transformation. Successive iteration of the transformation leads to a fixed point so that the ground state energy and the energy gap to the ground state can be deduced. The result of SU(N) chain is compared with the one by Bethe ansatz method. The transformation on spin-1 2 ladders gives a finite gap in the excited energy spectra to the ground state in an intuitive way. The application to SU(3) ladders is also discussed. © 2005 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/43474
ISSN
1098-0121
2014 Impact Factor: 3.736
ISI Accession Number ID
WOS:000230276600005
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLi, Pen_HK
dc.contributor.authorShen, SQen_HK
dc.date.accessioned2007-03-23T04:46:23Z-
dc.date.available2007-03-23T04:46:23Z-
dc.date.issued2005en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2005, v. 71 n. 21, article no. 212401-
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43474-
dc.description.abstractThe contractor renormalization group (CORE) method is applied to the SU(N) chain and ladders in this paper. In our designed schemes, we show that these two classes of systems can return to their original form of Hamiltonian after CORE transformation. Successive iteration of the transformation leads to a fixed point so that the ground state energy and the energy gap to the ground state can be deduced. The result of SU(N) chain is compared with the one by Bethe ansatz method. The transformation on spin-1 2 ladders gives a finite gap in the excited energy spectra to the ground state in an intuitive way. The application to SU(3) ladders is also discussed. © 2005 The American Physical Society.en_HK
dc.format.extent197977 bytes-
dc.format.extent34304 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 Physics)-
dc.rightsCopyright 2005 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.71.212401-
dc.subjectPhysicsen_HK
dc.titleContractor renormalization group theory of SU(N) chains and laddersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=71&issue=21&spage=212401:1&epage=4&date=2005&atitle=Contractor+renormalization+group+theory+of+SU(N)+chains+and+laddersen_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.71.212401en_HK
dc.identifier.scopuseid_2-s2.0-28244448465en_HK
dc.identifier.hkuros98400-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-28244448465&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume71en_HK
dc.identifier.issue21en_HK
dc.identifier.spagearticle no. 212401-
dc.identifier.epagearticle no. 212401-
dc.identifier.isiWOS:000230276600005-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLi, P=26643192100en_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.issnl1098-0121-

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