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Physics Conferences The 3rd East Asia Joint Seminar on Statistical Physics
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Potts Antiferromagnetism in Two and Three Dimensions
SPEAKER  |  Youjin Deng
INSTITUTE  |  University of Science and Technology of China
DATE  |  October 17(Sat), 2015
TIME  |  12:00
PLACE  |  Rm 1503(Bldg#I,5th), Korea Institute for Advanced Study, South Korea
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ABSTRACT  |  The Potts model-a simple statistical-mechanical system-plays an important role in the theory of critical phenomena and finds various application in condensed-matter physics and beyond. The ferromagnetic Potts model is now well understood, thanks to universality. In this talk, I shall report two recent studies of the q-state Potts antiferromagnet. I shall present argument as well as numerical evidence that the Potts antiferromagnet with arbitrarily large values of q can have a finite-temperature phase transition on some families of two-dimensional lattices. I will also demonstrate that the emergent continuous symmetry can occur in a series of threedimensional Potts model.
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