Tuning p-wave interactions in an ultracold Fermi gas of atoms.
We have measured a p-wave Feshbach resonance in a single-component, ultracold Fermi gas of 40K atoms. We have used this resonance to enhance the normally suppressed p-wave collision cross section to values larger than the background s-wave cross section between 40K atoms in different spin states. In addition to the modification of two-body elastic processes, the resonance dramatically enhances three-body inelastic collisional loss.
Regal
C A
CA
JILA, National Institute of Standards and Technology, Boulder, Colorado 80309-0440, USA.
Ticknor
C
C
Bohn
J L
JL
Jin
D S
DS