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hep-ph2013
Semiclassical partition function for the double-well potential
D. Kroff, A. Bessa, C. A. A. de Carvalho +2
We compute the partition function and specific heat for a quantum mechanical particle under the influence of a quartic double-well potential non-perturbatively, using the semiclass…
math.DS2013★ 1 cited
Positive Lyapunov exponents for Hamiltonian linear differential systems
Mario Bessa, Paulo Varandas
In the present paper we give a positive answer to some questions posed by Viana on the existence of positive Lyapunov exponents for Hamiltonian linear differential systems. We prov…