Resonant spin-changing collisions in spinor Fermi gases

Details Resonant spin-changing collisions in spinor Fermi gases Resonant spin-changing collisions in spinor Fermi gases

2008-03-03

arxiv.org/abs/0803.0239v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 3 eps figures

Scientific paper

10.1103/PhysRevLett.100.205302

Spin-changing collisions in trapped Fermi gases may acquire a resonant character due to the compensation of quadratic Zeeman effect and trap energy. These resonances are absent in spinor condensates and pseudo-spin-1/2 Fermi gases, being a characteristic feature of high-spin Fermi gases that allows spinor physics at large magnetic fields. We analyze these resonances in detail for the case of lattice spinor fermions, showing that they permit to selectively target a spin-changing channel while suppressing all others. These resonances allow for the controlled creation of non-trivial quantum superpositions of many-particle states with entangled spin and trap degrees of freedom, which remarkably are magnetic-field insensitive. Finally, we show that the intersite tunneling may lead to a quantum phase transition described by an effective quantum Ising model.

Affiliated with

Also associated with

No associations

Rating

Resonant spin-changing collisions in spinor Fermi gases 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 Resonant spin-changing collisions in spinor Fermi gases, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resonant spin-changing collisions in spinor Fermi gases will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-225408