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Start Over Author "Su, Gang" Topic d. phase transitions Topic phase diagrams

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1. Magnetization process and updated phase diagram of one-dimensional S=1 Ising model with single-ion anisotropy under magnetic field.

Author

Liu, Guang-Hua, Li, Wei, You, Wen-Long, Su, Gang, and Tian, Guang-Shan

Subjects
*MAGNETIZATION, *PHASE diagrams, *ONE-dimensional flow, *ISING model, *IONS, *ANISOTROPY, *MAGNETIC fields
Abstract

Abstract: By the infinite time-evolving block decimation (iTEBD) technique, the magnetization process in spin-1 Ising model with single-ion anisotropy under external field is investigated in the thermodynamic limit. An updated phase diagram is proposed, and the detailed magnetic structures of the phase diagram are uncovered. It must be noted that two interesting phases with same magnetization plateau (M z =0) but different magnetic structures are distinguished. Furthermore, they are verified to be an ideal Néel phase and an ideal large-D phase respectively. In addition, a first-order quantum phase transition line between them is determined to be at D=1. [Copyright &y& Elsevier]

Published
2013
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