Magnetic Susceptibility of an integrable anisotropic spin ladder system

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dc.creatorTonel, A. P.
dc.creatorDahmen, S. R.
dc.creatorFoerster, A.
dc.creatorMalvezzi, A. L.
dc.date2003-02-17
dc.date.accessioned2026-07-07T07:38:58Z
dc.date.available2026-07-07T07:38:58Z
dc.descriptionWe investigate the thermodynamics of a spin ladder model which possesses a free parameter besides the rung and leg couplings. The model is exactly solved by the Bethe Ansatz and exhibits a phase transition between a gapped and a gapless spin excitation spectrum. The magnetic susceptibility is obtained numerically and its dependence on the anisotropy parameter is determined. A connection with the compounds KCuCl3, Cu2(C5H12N2)2Cl4 and (C5H12N)2CuBr4 in the strong coupling regime is made and our results for the magnetic susceptibility fit the experimental data remarkably well.
dc.description12 pages, 12 figures included, submitted to Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/cond-mat/0302336
dc.identifierhttp://arxiv.org/abs/cond-mat/0302336
dc.identifierEUROPHYSICS LETTERS 64 (1): 111-117 (2003)
dc.identifierdoi:10.1209/epl/i2003-00144-3
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121285
dc.subjectStatistical Mechanics
dc.titleMagnetic Susceptibility of an integrable anisotropic spin ladder system
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