Revealing virtual processes of a quantum Brownian particle in phase space

Sabrina Maniscalco

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The short-time dynamics of a quantum Brownian particle in a harmonic potential is studied in phase space. An exact non-Markovian analytic approach to calculate the time evolution of the Wigner function is presented. The dynamics of the Wigner function of an initially squeezed state is analysed. It is shown that virtual exchanges of energy between the particle and the reservoir, characterizing the non-Lindblad short-time dynamics where system–reservoir correlations are not negligible, show up in phase space.
Original languageEnglish
JournalJournal of Optics B: Quantum and Semiclassical Optics
Volume7
Issue number10
DOIs
Publication statusPublished - Oct 2005

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