Critical properties and Bose Einstein Condensation in dimer spin systems

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We analyze the spin relaxation time $1/T_1$ for a system made of weakly coupled one dimensional ladders.This system allows to probe the dimensional crossover between a Luttinger liquid and a Bose-Einstein condensateof magnons. We obtain the temperature dependence of $1/T_1$ in the various dimensional regimes, and discuss the experimental consequences.
4 pages, RevTeX 4, 3 EPS figures

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Strongly Correlated Electrons, Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/127728

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0701590
 http://arxiv.org/abs/cond-mat/0701590
 Phys. Rev. B 75, 140403 (2007)
 doi:10.1103/PhysRevB.75.140403

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arXiv