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Entanglement between two fermionic atoms inside a cylindrical harmonic trap
2007
Physical Review A. Atomic, Molecular, and Optical Physics
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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
doi:10.1103/physreva.75.012332
fatcat:rdrnlgzx5rdabbg7efjdou2ydi