First-order transitions for very nonlinear sigma models
classification
❄️ cond-mat.stat-mech
math-phmath.MP
keywords
transitionsfirst-ordermodelsnonlinearconditioncontributiondiscussinteraction
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In this contribution we discuss the occurrence of first-order transitions in temperature in various short-range lattice models with a rotation symmetry. Such transitions turn out to be widespread under the condition that the interaction potentials are sufficiently nonlinear.
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