NMR evidence for a "generalized spin-Peierls transition" in the high magnetic field phase of the spin-ladder Cu2(C5N2H12)2Cl4

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dc.creatorMayaffre, H.
dc.creatorHorvatic, M.
dc.creatorBerthier, C.
dc.creatorJulien, M. -H.
dc.creatorSegransan, P.
dc.creatorLevy, L.
dc.creatorPiovesana, O.
dc.date2000-03-22
dc.date.accessioned2026-07-07T02:37:08Z
dc.date.available2026-07-07T02:37:08Z
dc.descriptionThe magnetic field-induced 3D ordered phase of the two-leg spin-ladder Cu2(C5N2H12)2Cl4 has been probed through measurements of 1H NMR spectra and 1/T1 in the temperature range 70~mK - 1.2 K. The second order transition line Tc(H) has been determined between Hc1 = 7.52 T and Hc2 = 13 T and varies as (H-Hc1)^(2/3) close to Hc1. From the observation of anomalous shifts and a crossover in 1/T1 above Tc, the mechanism of the 3D transition is argued to be magnetoelastic, involving a displacement of the protons along the longitudinal exchange (J//) path.
dc.description4 pages including 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0003361
dc.identifierhttp://arxiv.org/abs/cond-mat/0003361
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16178
dc.subjectStrongly Correlated Electrons
dc.titleNMR evidence for a "generalized spin-Peierls transition" in the high magnetic field phase of the spin-ladder Cu2(C5N2H12)2Cl4
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