Thermodynamics of the Spin Luttinger-Liquid in a Model Ladder Material

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dc.creatorRüegg, Ch.
dc.creatorKiefer, K.
dc.creatorThielemann, B.
dc.creatorMcMorrow, D. F.
dc.creatorZapf, V.
dc.creatorNormand, B.
dc.creatorZvonarev, M. B.
dc.creatorBouillot, P.
dc.creatorKollath, C.
dc.creatorGiamarchi, T.
dc.creatorCapponi, S.
dc.creatorPoilblanc, D.
dc.creatorBiner, D.
dc.creatorKrämer, K. W.
dc.date2008-08-20
dc.date2008-10-31
dc.date.accessioned2026-07-07T12:10:37Z
dc.date.available2026-07-07T12:10:37Z
dc.descriptionThe phase diagram in temperature and magnetic field of the metal-organic, two-leg, spin-ladder compound (C5H12N)2CuBr4 is studied by measurements of the specific heat and the magnetocaloric effect. We demonstrate the presence of an extended spin Luttinger-liquid phase between two field-induced quantum critical points and over a broad range of temperature. Based on an ideal spin-ladder Hamiltonian, comprehensive numerical modelling of the ladder specific heat yields excellent quantitative agreement with the experimental data across the complete phase diagram.
dc.description4 pages, 4 figures, updated refs and minor changes to the text, version accepted for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/0808.2715
dc.identifierhttp://arxiv.org/abs/0808.2715
dc.identifierPhys. Rev. Lett. 101, 247202 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.247202
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/209982
dc.subjectStrongly Correlated Electrons
dc.titleThermodynamics of the Spin Luttinger-Liquid in a Model Ladder Material
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