Continuous measurements on continuous variable quantum systems: The Gaussian description

Details Continuous measurements on continuous variable quantum systems: The Gaussian description Continuous measurements on continuous variable quantum systems: The Gaussian description

2005-11-16

arxiv.org/abs/quant-ph/0511154v1

Physics

Quantum Physics

15 pages, 4 figures. Modified version of a contribution to the book "Quantum Information with Continuous Variables", Eds. G. L

Scientific paper

The Gaussian state description of continuous variables is adapted to describe the quantum interaction between macroscopic atomic samples and continuous-wave light beams. The formalism is very efficient: a non-linear differential equation for the covariance matrix of the atomic system explicitly accounts for both the unitary evolution, the dissipation and noise due to the atom-light interaction, and the back-action due to homodyne optical detection on the beam after its interaction with the atoms. Applications to atomic spin squeezing and estimation of unknown classical parameters are presented, and extensions beyond the Gaussian states are discussed.

Affiliated with

Also associated with

No associations

Rating

Continuous measurements on continuous variable quantum systems: The Gaussian description 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 Continuous measurements on continuous variable quantum systems: The Gaussian description, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuous measurements on continuous variable quantum systems: The Gaussian description will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-581502