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Monte Carlo simulation of quantum Potts model by Ding, Chengxiang; Wang, Yangcheng; Deng, Youjin; Shao, Hui is a scholarly article available to read on EtoBox.

What is Monte Carlo simulation of quantum Potts model about?

Using Monte Carlo simulations in the frame of stochastic series expansion (SSE), we study the three-state quantum Potts model. The cluster algorithm we used is a direct generalization of that for the quantum Ising model. The simulations include the one dimensional and two dimensional ferromagnetic three-state quantum Potts model and the two dimensional antiferromagnetic three-state quantum Potts model. Our results show that the phase transition of the one dimensional ferromagnetic quantum Potts model belongs to the same universality class of the two dimensional classical Potts model, the two dimensional ferromagnetic quantum Potts model undergoes a first order transition, which is also in analogy to its classical correspondence. The phase transition of the antiferromagnetic quantum Potts model is continuous, whose universality class belongs to the three-dimensional classical XY model, owing to an `emergent' O(2) symmetry at the critical point, although its ordered phase breaks the Z_6 symmetry.

Author

Ding, Chengxiang; Wang, Yangcheng; Deng, Youjin; Shao, Hui

Published

2017

Language

EN