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Collective modes as a probe of imbalanced Fermi gases
Jonathan M. Edge, N. R. Cooper
We theoretically investigate the collective modes of imbalanced two component one-dimensional Fermi gases with attractive interactions. This is done for trapped and untrapped syste…
Measuring the Superfluid Fraction of an Ultracold Atomic Gas
Nigel R. Cooper, Zoran Hadzibabic
We propose a method to measure the superfluid fraction of an atomic gas. The method involves the use of a vector potential generated by optical beams with non-zero angular momentum…
Skyrmions in the Moore-Read state at nu=5/2
Arkadiusz Wojs, Gunnar Moller, Steven H. Simon +1
We study charged excitations of the non-abelian Moore-Read liquid at filling factor nu=5/2, allowing for spin depolarization. Using a combination of numerical studies, and taking a…
Correlations and beam splitters for quantum Hall anyons
Smitha Vishveshwara, N. R. Cooper
We study the system of two localized anyons in the lowest Landau level and show how anyonic signatures extrapolating between anti-bunching tendencies of fermions and bunching tende…
Stable Topological Superfluid Phase of Ultracold Polar Fermionic Molecules
N. R. Cooper, G. V. Shlyapnikov
We show that single-component fermionic polar molecules confined to a 2D geometry and dressed by a microwave field, may acquire an attractive dipole-dipole interaction lead…
Scattering Theory for Quantum Hall Anyons in a Saddle Point Potential
A. Matthews, N. R. Cooper
We study the theory of scattering of two anyons in the presence of a quadratic saddle-point potential and a perpendicular magnetic field. The scattering problem decouples in the ce…