Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields

Details Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields

2008-08-29

arxiv.org/abs/0808.4137v2

Phys. Rev. Lett. 102, 046402 (2009)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.102.046402

We propose an experimental scheme to study spin-orbit coupling effects in a of two-dimensional (2D) Fermi atomic gas cloud by coupling its internal electronic states (pseudospins) to radiation in a delta configuration. The induced spin-orbit coupling can be of the Dresselhaus and Rashba type with and without a Zeeman term. We show that the optically induced spin-orbit coupling can lead to a spin-dependent effective mass under appropriate condition, with one of them able to be tuned between positive and negative effective mass. As a direct observable we show that in the expansion dynamics of the atomic cloud the initial atomic cloud splits into two clouds for the positive effective mass case regime, and into four clouds for the negative effective mass regime.

Affiliated with

Also associated with

No associations

Rating

Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields 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 Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Effect of Induced Spin-Orbit Coupling for Atoms via Laser Fields will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-544337