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cond-mat.stat-mech2014★ 14 cited
Ensemble inequivalence in a mean-field XY model with ferromagnetic and nematic couplings
Arkady Pikovsky, Shamik Gupta, Tarcisio N. Teles +4
We explore ensemble inequivalence in long-range interacting systems by studying an XY model of classical spins with ferromagnetic and nematic coupling. We demonstrate the inequival…
cond-mat.stat-mech2014★ 7 cited
Ensemble Inequivalence in Systems with Wave-Particle Interaction
Tarcísio N. Teles, Duccio Fanelli, Stefano Ruffo
The classical wave-particle Hamiltonian is considered in its generalized version, where two modes are assumed to interact with the co-evolving charged particles. The equilibrium st…