Field-Controlled Magnetic Order in the Quantum Spin-Ladder System (Hpip)2CuBr4

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dc.creatorThielemann, B.
dc.creatorRüegg, Ch.
dc.creatorKiefer, K.
dc.creatorRønnow, H. M.
dc.creatorNormand, B.
dc.creatorBouillot, P.
dc.creatorKollath, C.
dc.creatorOrignac, E.
dc.creatorCitro, R.
dc.creatorGiamarchi, T.
dc.creatorLäuchli, A. M.
dc.creatorBiner, D.
dc.creatorKrämer, K.
dc.creatorWolff-Fabris, F.
dc.creatorZapf, V.
dc.creatorJaime, M.
dc.creatorStahn, J.
dc.creatorChristensen, N. B.
dc.creatorGrenier, B.
dc.creatorMcMorrow, D. F.
dc.creatorMesot, J.
dc.date2008-09-02
dc.date2008-11-18
dc.date.accessioned2026-07-07T12:44:46Z
dc.date.available2026-07-07T12:44:46Z
dc.descriptionNeutron diffraction is used to investigate the field-induced, antiferromagnetically ordered state in the two-leg spin-ladder material (Hpip)2CuBr4. This "classical" phase, a consequence of weak interladder coupling, is nevertheless highly unconventional: its properties are influenced strongly by the spin Luttinger-liquid state of the ladder subunits. We determine directly the order parameter (transverse magnetization), the ordering temperature, the spin structure, and the critical exponents around the transition. We introduce a minimal, microscopic model for the interladder coupling and calculate the quantum fluctuation corrections to the mean-field interaction.
dc.description4 pages, 4 figures, some changes in presentation
dc.identifierhttps://arxiv.org/abs/0809.0440
dc.identifierhttp://arxiv.org/abs/0809.0440
dc.identifierPhys. Rev. B, Rapid Comm., 79, 020408 (2009)
dc.identifierdoi:10.1103/PhysRevB.79.020408
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220883
dc.subjectStrongly Correlated Electrons
dc.titleField-Controlled Magnetic Order in the Quantum Spin-Ladder System (Hpip)2CuBr4
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