Entanglement between two fermionic atoms inside a cylindrical harmonic trap

Abstract

We investigate quantum entanglement between two (spin-1/2) fermions inside a cylindrical harmonic trap, making use of the von Neumann entropy for the reduced single particle density matrix as the pure state entanglement measure. We explore the dependence of pair entanglement on the geometry and strength of the trap and on the strength of the pairing interaction over the complete range of the effective BCS to BEC crossover. Our result elucidates an interesting connection between our model system of two fermions and that of two interacting bosons.

to appear in PRA

References in corpus (4)

• Molecules of Fermionic Atoms in an Optical Lattice
• Adiabatic association of ultracold molecules via magnetic field tunable interactions
• Formation of a molecular Bose-Einstein condensate and an entangled atomic gas by Feshbach resonance
• Properties of quasi-one-dimensional molecules with Feshbach resonance interaction

Cited by in corpus (1)

• Entanglement of two interacting bosons in a two dimensional isotropic harmonic trap