Elementary excitations of magnetically ordered systems with orbital degeneracy

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dc.creatorJoshi, A.
dc.creatorMa, M.
dc.creatorMila, F.
dc.creatorShi, D. N.
dc.creatorZhang, F. C.
dc.date1998-12-16
dc.date.accessioned2026-07-07T03:12:25Z
dc.date.available2026-07-07T03:12:25Z
dc.descriptionThe Holstein-Primakoff transformation is generalized to develop a quantum flavor wave theory for spin systems with orbital degeneracy. Elementary excitations consist of spin, orbital, and spin-orbital waves. Spin and spin-orbital waves couple each other due to orbital anisotropy and Hund's rule, resulting in new 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.
dc.description11 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9812289
dc.identifierhttp://arxiv.org/abs/cond-mat/9812289
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28901
dc.subjectStrongly Correlated Electrons
dc.titleElementary excitations of magnetically ordered systems with orbital degeneracy
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