Universality of quantum Brownian motion

Details Universality of quantum Brownian motion Universality of quantum Brownian motion

1998-11-02

arxiv.org/abs/cond-mat/9811018v1

Physics

Condensed Matter

Statistical Mechanics

24 pages

Scientific paper

Are Markovian master equations for quantum Brownian motion independent of model assumptions used in the derivation and, thus, universal? With the aim of answering this question, we use a random band-matrix model for the system-bath interaction to derive Markovian master equations for the time evolution of one-dimensional quantum systems weakly coupled to a heat bath. We study in detail two simple systems, the harmonic oscillator and the two-level system. Our results are in complete agreement with those of earlier models, like the Caldeira-Legget model and, in the large-band limit, with the Agarwal equations (both with and without rotating-wave approximation). This proves the universality of these master equations.

Affiliated with

Also associated with

No associations

Rating

Universality of quantum Brownian motion does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Universality of quantum Brownian motion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Universality of quantum Brownian motion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-447000