Fraga, Eduardo S.; Krein, Gastão; Palhares, Letícia F. - In: Physica A: Statistical Mechanics and its Applications 393 (2014) C, pp. 155-172
We consider the non-Markovian Langevin evolution of a dissipative dynamical system in quantum mechanics in the path integral formalism. After discussing the role of the frequency cutoff for the interaction of the system with the heat bath and the kernel and noise correlator that follow from the...