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

✍ Scribed by Hitoshi Inoue; Kiyohide Nomura

Book ID: 104337714
Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 142 KB
Volume: 262
Category: Article
ISSN: 0375-9601
DOI: 10.1016/s0375-9601(99)00544-7

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✦ Synopsis

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 k s pr4. With the recently F developed method, level spectroscopy, we obtain the transition point b s 0.2988. We also discuss the universality class. c

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