Diamond chains with multiple-spin exchange interactions

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dc.creatorIvanov, N. B.
dc.creatorRichter, J.
dc.creatorSchulenburg, J.
dc.date2008-11-30
dc.date2009-03-17
dc.date.accessioned2026-07-07T12:52:36Z
dc.date.available2026-07-07T12:52:36Z
dc.descriptionWe study the phase diagram of a symmetric spin-1/2 Heisenberg diamond chain with additional cyclic four-spin exchange interactions. The presented analysis supplemented by numerical exact-diagonalization results for finite periodic clusters implies a rich phase diagram containing, apart from standard magnetic and spin-liquid phases, two different tetramer-dimer phases as well as an exotic four-fold degenerate dimerized phase. The characteristics of the established spin phases as well as the nature of quantum phase transitions are discussed, as well.
dc.description6 PRB pages, Added references
dc.identifierhttps://arxiv.org/abs/0812.0133
dc.identifierhttp://arxiv.org/abs/0812.0133
dc.identifierPhys. Rev. B 79, 104412 (2009)
dc.identifierdoi:10.1103/PhysRevB.79.104412
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223345
dc.subjectStrongly Correlated Electrons
dc.titleDiamond chains with multiple-spin exchange interactions
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