Physics – Quantum Physics
Scientific paper
2005-03-02
Physics
Quantum Physics
10 pages, 5 figures, to be apear in PRA
Scientific paper
10.1103/PhysRevA.72.022346
We analyze the quantum entanglement between two interacting atoms trapped in a spherical harmonic potential. At ultra-cold temperature, ground state entanglement is generated by the dominated s-wave interaction. Based on a regularized pseudo-potential Hamiltonian, we examine the quantum entanglement by performing the Schmidt decomposition of low-energy eigenfunctions. We indicate how the atoms are paired and quantify the entanglement as a function of a modified s-wave scattering length inside the trap.
Chu Ming-Chung
Law Chung K.
Wang Jia
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