Cold dilute neutron matter on the lattice II: Results in the unitary limit

Details Cold dilute neutron matter on the lattice II: Results in the unitary limit Cold dilute neutron matter on the lattice II: Results in the unitary limit

2005-09-07

arxiv.org/abs/nucl-th/0509018v1

Phys.Rev. C73 (2006) 015202

Physics

Nuclear Physics

Nuclear Theory

16 pages, 9 figures

Scientific paper

10.1103/PhysRevC.73.015202

This is the second of two papers which investigate cold dilute neutron matter on the lattice using pionless effective field theory. In the unitary limit, where the effective range is zero and scattering length is infinite, simple scaling relations relate thermodynamic functions at different temperatures. When the second virial coefficient is properly tuned, we find that the lattice results obey these scaling relations. We compute the energy per particle, pressure, spin susceptibility, dineutron correlation function, and an upper bound for the superfluid critical temperature.

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