Tetracritical behaviour in a spin-3/2 quantum chain

Details Tetracritical behaviour in a spin-3/2 quantum chain Tetracritical behaviour in a spin-3/2 quantum chain

Publishing date

1994-02-10

URL

arxiv.org/abs/cond-mat/9402046v1

Science

Physics

Field

Condensed Matter

Additional info

12 pages, 1figure(by reques), UFSCARF-TH-3, plain latex

Type

Scientific paper

Abstract

Finite-Size-Scaling and Conformal Invariance are used in order to find the
phase diagram and critical exponents of a quantum spin chain with spin $S=3/2$.
The model has a tetracritical point besides critical lines. The conformal
anomaly and anomalous dimensions of some primary operators are calculated at
the tetracritical point.

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