Susceptibilities and spin gaps of weakly coupled spin ladders

S. Larochelle, M. Greven

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

We calculate the uniform and staggered susceptibilities of two-chain spin-1/2 Heisenberg ladders using Monte Carlo simulations. We show that the gap extracted from the uniform susceptibility and the saturation value of the staggered susceptibility are independent of the sign of the interchain coupling J⊥ in the asymptotic limit J⊥/⊥J0. Furthermore, we examine the existence of logarithmic corrections to the linear scaling of the gap with J⊥.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume69
Issue number9
DOIs
StatePublished - 2004

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