NMR relaxation rate and dynamical structure factors in nematic and multipolar liquids of frustrated spin chains under magnetic fields

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dc.creatorSato, Masahiro
dc.creatorMomoi, Tsutomu
dc.creatorFurusaki, Akira
dc.date2008-10-08
dc.date2009-02-17
dc.date.accessioned2026-07-07T12:41:58Z
dc.date.available2026-07-07T12:41:58Z
dc.descriptionRecently, it has been shown that spin nematic (quadrupolar) or higher multipolar correlation functions exhibit a quasi long-range order in the wide region of the field-induced Tomonaga-Luttinger-liquid (TLL) phase in spin-1/2 zigzag chains. In this paper, we point out that the temperature dependence of the NMR relaxation rate 1/T_1 in these multipolar TLLs is qualitatively different from that in more conventional TLLs of one-dimensional quantum magnets (e.g., the spin-1/2 Heisenberg chain); 1/T_1 decreases with lowering temperature in multipolar TLL. We also discuss low-energy features in spin dynamical structure factors which are characteristic of the multipolar TLL phases.
dc.description4+epsilon pages, 2 figures, published version
dc.identifierhttps://arxiv.org/abs/0810.1403
dc.identifierhttp://arxiv.org/abs/0810.1403
dc.identifierPhys. Rev. B 79, 060406(R) (2009)
dc.identifierdoi:10.1103/PhysRevB.79.060406
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219922
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleNMR relaxation rate and dynamical structure factors in nematic and multipolar liquids of frustrated spin chains under magnetic fields
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