2007

Strongly paired fermions: Cold atoms and neutron matter

Gezerlis, Alexandros, Carlson, J.

Understand

Experiments with cold Fermi atoms can be tuned to probe strongly interacting fluids that are very similar to the low-density neutron matter found in the crusts of neutron stars.

In contrast to traditional superfluids and superconductors, matter in this regime is very strongly paired, with gaps of the order of the Fermi energy.
We compute the T=0 equation of state and pairing gap for cold atoms and low-density neutron matter as a function of the Fermi momentum times the scattering length.
Results of quantum Monte Carlo calculations show that the equations of state are very similar.

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