Fermionic superfluid properties in a one-dimensional optical lattice
Theja N. De Silva
TL;DR
This paper investigates superfluid characteristics of a two-component Fermi system in a 1D optical lattice, deriving analytical formulas for key properties across the BCS-BEC crossover at zero temperature.
Contribution
It provides new analytical expressions for Josephson current, sound velocity, and oscillation center in a 1D lattice within the BCS-BEC crossover.
Findings
Derived formulas for Josephson current, sound velocity, and oscillations.
Analyzed superfluid behavior across the BCS-BEC crossover.
Applicable to cold atom experiments in optical lattices.
Abstract
We discuss various superfluid properties of a two-component Fermi system in the presence of a tight one-dimensional periodic potential in a three-dimensional system. We use a zero temperature mean field theory and derive analytical expressions for the Josephson current, the sound velocity and the center of mass oscillations in the BCS-Bose Einstein condensation crossover region.
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