Quantum Brownian motion. II
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Publication:1805583
DOI10.1023/A:1026689325372zbMATH Open1007.81044arXivquant-ph/9807049OpenAlexW1650455379MaRDI QIDQ1805583
Diego G. Arbó, Fabián H. Gaioli, Edgardo T. Garcia-Alvarez
Publication date: 18 November 1999
Published in: International Journal of Theoretical Physics (Search for Journal in Brave)
Abstract: This paper is devoted to generalize some previous results presented in Gaioli et al., Int. J. Theor. Phys. 36, 2167 (1997). We evaluate the autocorrelation function of the stochastic acceleration and study the asymptotic evolution of the mean occupation number of a harmonic oscillator playing the role of a Brownian particle. We also analyze some deviations from the Bose population at low temperatures and compare it with the deviations from the exponential decay law of an unstable quantum system.
Full work available at URL: https://arxiv.org/abs/quant-ph/9807049
Brownian motion (60J65) Other physical applications of random processes (60K40) Quantum stochastic calculus (81S25) Quantum dynamics and nonequilibrium statistical mechanics (general) (82C10)
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