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Article: Elementary excitations in magnetically ordered systems with orbital degeneracy

TitleElementary excitations in magnetically ordered systems with orbital degeneracy
Authors
Joshi, AMa, MMila, FShi, DNZhang, FC
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1999, v. 60 n. 9, p. 6584-6587 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.60.6584
AbstractThe generalized Holstein-Primakoff transformation is used to develop a quantum flavor wave theory for spin systems with orbital degeneracy. Elementary excitations of ordered ground states consist of spin, orbital, and spin-orbital waves. Spin and spin-orbital waves couple to each other due to orbital anisotropy and Hund's rule, resulting in modes observable by inelastic neutron scattering. In the SU(4) limit, flavor waves are dispersionless along one or more directions, and give rise to quantum fluctuations of reduced dimensionality. ©1999 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/174634
ISSN
0163-1829
ISI Accession Number ID
WOS:000082570400075
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorJoshi, Aen_US
dc.contributor.authorMa, Men_US
dc.contributor.authorMila, Fen_US
dc.contributor.authorShi, DNen_US
dc.contributor.authorZhang, FCen_US
dc.date.accessioned2012-11-26T08:46:37Z-
dc.date.available2012-11-26T08:46:37Z-
dc.date.issued1999en_US
dc.identifier.citationPhysical Review B (Condensed Matter), 1999, v. 60 n. 9, p. 6584-6587-
dc.identifier.issn0163-1829en_US
dc.identifier.urihttp://hdl.handle.net/10722/174634-
dc.description.abstractThe generalized Holstein-Primakoff transformation is used to develop a quantum flavor wave theory for spin systems with orbital degeneracy. Elementary excitations of ordered ground states consist of spin, orbital, and spin-orbital waves. Spin and spin-orbital waves couple to each other due to orbital anisotropy and Hund's rule, resulting in modes observable by inelastic neutron scattering. In the SU(4) limit, flavor waves are dispersionless along one or more directions, and give rise to quantum fluctuations of reduced dimensionality. ©1999 The American Physical Society.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.relation.ispartofPhysical Review B (Condensed Matter)-
dc.titleElementary excitations in magnetically ordered systems with orbital degeneracyen_US
dc.typeArticleen_US
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_US
dc.identifier.authorityZhang, FC=rp00840en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevB.60.6584-
dc.identifier.scopuseid_2-s2.0-0001167319en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0001167319&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume60en_US
dc.identifier.issue9en_US
dc.identifier.spage6584en_US
dc.identifier.epage6587en_US
dc.identifier.isiWOS:000082570400075-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridJoshi, A=7402452915en_US
dc.identifier.scopusauthoridMa, M=7202445040en_US
dc.identifier.scopusauthoridMila, F=7006122264en_US
dc.identifier.scopusauthoridShi, DN=7402052276en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US
dc.identifier.issnl0163-1829-

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