The spatial profile of the matter distribution in a dilute atomic-molecular Fermi cloud

A dilute atomic-molecular fermion in a trap acquires a rather complex layered spatial structure. At very low temperatures, typically at the center of the trap, a superfluid bosonic core is formed out of dimers, weakly bound pairs of fermionic atoms. Surrounding this core is a mantle, formed by a mixture of superfluid bosonic dimers and superfluid fermionic atoms. The outermost layer consists of only fermionic atoms, forming mostly a normal Fermi gas.