We present a general, rigorous theory of Lee-Yang zeros for models with \ffirst-order phase transitions and derive formulas for the positions and the density of the zeros. In particular, we show that for models without symmetry, the curves on which the zeros lie are generically not circles, and can have topologically nontrivial features, such as bifurcation. Our results are illustrated in three models in a complex \ffield: the Ising magnet, the Blume-Capel model, and the Potts model.<\/p>\n","protected":false},"excerpt":{"rendered":"
We present a general, rigorous theory of Lee-Yang zeros for models with \ffirst-order phase transitions and derive formulas for the positions and the density of the zeros. In particular, we show that for models without symmetry, the curves on which the zeros lie are generically not circles, and can have topologically nontrivial features, such as […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"text","value":"M. Biskup","user_id":0},{"type":"user_nicename","value":"borgs","user_id":31278},{"type":"user_nicename","value":"jchayes","user_id":32200},{"type":"text","value":"L.J. Kleinwaks","user_id":0},{"type":"text","value":"R. 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