Magnetization plateau in the 1D S= 1/2 spin chain with alternating next-nearest-neighbour coupling

Hitoshi Inoue, Kiyohide Nomura

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We study a 1D spin chain with alternating next-nearest-neighbour coupling. The plateau-nonplateau transition is expected to be of Berezinski-Kosterlitz-Thouless type from the bosonization result at kF=π/4. With the recently developed method, level spectroscopy, we obtain the transition point βc= 0.2988. We also discuss the universality class.

Original languageEnglish
Pages (from-to)96-102
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume262
Issue number1
DOIs
Publication statusPublished - Jan 1 1999

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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