Critical properties and Bose Einstein Condensation in dimer spin systems

Edmond Orignac 1 Roberta Citro 2 Thierry Giamarchi 3
1 Phys-ENS - Laboratoire de Physique de l'ENS Lyon
2 Dipartamento di Fisica "E. R. Caianiello"
3 Departement de Physique de la Matiere Condensee Section de Physique
Abstract : 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.
Keywords : Bose-Einstein Condensation Nuclear Magnetic Resonance spin gap field induced magnetic ordering
Type de document :
Article dans une revue
Physical Review B : Condensed matter and materials physics, American Physical Society, 2007, 75 (14), pp.140403. 〈10.1103/PhysRevB.75.140403〉
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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00142911
Contributeur : Edmond Orignac <>
Soumis le : lundi 23 avril 2007 - 15:43:51
Dernière modification le : jeudi 19 avril 2018 - 14:54:03

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Edmond Orignac, Roberta Citro, Thierry Giamarchi. Critical properties and Bose Einstein Condensation in dimer spin systems. Physical Review B : Condensed matter and materials physics, American Physical Society, 2007, 75 (14), pp.140403. 〈10.1103/PhysRevB.75.140403〉. 〈ensl-00142911〉

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