Highly polarized Fermi gases across a narrow Feshbach resonance
Highly polarized Fermi gases across a narrow Feshbach resonance
We address the phase of a highly polarized Fermi gas across a narrow Feshbach resonance starting from the problem of a single down spin fermion immersed in a Fermi sea of up spins. Both polaron and pairing states are considered using the variational wave function approach, and we find that …