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Journal Articles Physical Review B: Condensed Matter and Materials Physics (1998-2015) Year : 2007

Critical properties and Bose Einstein Condensation in dimer spin systems

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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.

Dates and versions

ensl-00142911 , version 1 (23-04-2007)

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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 (1998-2015), 2007, 75 (14), pp.140403. ⟨10.1103/PhysRevB.75.140403⟩. ⟨ensl-00142911⟩
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