Magnetic susceptibilities of integrable quantum ladders

Sooa Park, K. Lee

Research output: Contribution to journalArticlepeer-review


As an extension of previous studies, we consider the magnetic susceptibilities of a coupled spinchain model at low temperature and of a more realistic model having a t - J ladder structure at zero temperature. The magnetic susceptibilities for both models are obtained numerically when the coupling constant is greater than its critical value. In this region, the ladders behave as a single chain for H < Hc and as two independent chains for H > Hc, showing a divergence at Hc. This divergence is expected to smear out at a finite temperature.

Original languageEnglish
Pages (from-to)637-642
Number of pages6
JournalJournal of the Korean Physical Society
Issue number4 SUPPL. Part 1
StatePublished - Oct 2001


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