TITLE:
Quantum Phase Transition for One-Dimensional Spin-1 XXZ Model with Uniaxial Single-Ion-Type Anisotropy
AUTHORS:
Chunhuan Xiang, Honglei Wang
KEYWORDS:
Local Order Parameter, Phase Diagram, Entanglement Entropy, Ground State Energy
JOURNAL NAME:
Journal of Applied Mathematics and Physics,
Vol.7 No.7,
July
22,
2019
ABSTRACT: The quantum phase transitions for one-dimensional spin-1 XXZ model with uniaxial single-ion-type anisotropy are investigated by numerical simulation. The Gaussion transition occurred between the Larged-D phase and Neel phase, which is a gapped phase. The results of ground state energy, local order parameter and entanglement entropy agree with each other. The figures for all of the physical observable are shown in the text.