New Type of Degenerate Quantum Spin Phase

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dc.creatorImada, Masatoshi
dc.creatorMizusaki, Takahiro
dc.creatorWatanabe, Shinji
dc.date2003-07-01
dc.date.accessioned2026-07-07T02:52:09Z
dc.date.available2026-07-07T02:52:09Z
dc.descriptionCorrelated electrons often crystalize to the Mott insulator usually with some magnetic orders, whereas the "quantum spin liquid" has been a long-sought issue. We report numerical evidences that a nonmagnetic insulating (NMI) phase gets stabilized near the Mott transition with remarkable properties: The 2D Mott insulators on geometrically frustrated lattices contain a phase with gapless spin excitations and degeneracy of the ground state in the whole Brillouin zone of the total momentum. It has an interpretation for an unexplored type of a quantum liquid. The present concept is useful in analyzing a variety of experimental results in frustrated magnets including organic BEDT-TTF compounds.
dc.description5 pages (6 figures included)
dc.identifierhttps://arxiv.org/abs/cond-mat/0307022
dc.identifierhttp://arxiv.org/abs/cond-mat/0307022
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21731
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleNew Type of Degenerate Quantum Spin Phase
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