Ian Jauslin

Crystalline ordering and large-fugacity expansion for hard-core lattice particle systems

Princeton University, New Jersey, USA

February 6, 2018

I will present a class of hard-core lattice particle systems which exhibit a crystalline phase at high densities. The key ingredient of the proof is to show that the Gaunt-Fisher high-fugacity expansion is convergent for such models, which we accomplish using methods from Pirogov-Sinai theory. Crystallization can then be proved by studying the lower order terms of the expansion and bounding the remainder. This is joint work with Joel L. Lebowitz.



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