Finite-Size Scaling and Universality in the Spin 1 Quantum XY Chain

Details Finite-Size Scaling and Universality in the Spin 1 Quantum XY Chain Finite-Size Scaling and Universality in the Spin 1 Quantum XY Chain

1995-12-19

arxiv.org/abs/cond-mat/9512137v1

J. Phys. A29, 1359-1365 (1996)

Physics

Condensed Matter

Latex 8 pages, 2 uucompressed figures

Scientific paper

10.1088/0305-4470/29/7/008

The spin-1 XY chain in a transverse field is studied using finite-size scaling. The ground state phase diagram displays a paramagnetic, an ordered ferromagnetic and an ordered oscillatory phase. The paramagnetic-ferromagnetic transition line belongs to the universality class of the 2D Ising model. Along this line, universality is confirmed for the finite-size scaling functions of several correlation lengths and for the conformal operator content.

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