Superfluid Pairing in Neutrons and Cold Atoms
J. Carlson, S. Gandolfi, and A. Gezerlis
TL;DR
This paper discusses the strong pairing phenomena in ultracold atomic gases and neutron matter, highlighting the importance of non-perturbative Quantum Monte Carlo methods to understand their properties across different regimes.
Contribution
It provides Quantum Monte Carlo results that advance understanding of superfluid pairing in neutron matter and cold atomic gases, especially in the strong coupling regime.
Findings
Quantum Monte Carlo results elucidate pairing properties in neutron matter.
Analysis of BCS-BEC crossover in ultracold gases.
Insights into superfluid behavior in inhomogeneous systems.
Abstract
Ultracold atomic gases and low-density neutron matter are unique in that they exhibit pairing gaps comparable to the Fermi energy which in this sense are the largest in the laboratory and in nature, respectively. This strong pairing regime, or the crossover between BCS and BEC regimes, requires non-perturbative treatments. We describe Quantum Monte Carlo results useful to understand the properties of these systems, including infinite homogeneous matter and trapped inhomogeneous gases.
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