Entanglement and spin squeezing of Bose condensed atoms

Details Entanglement and spin squeezing of Bose condensed atoms Entanglement and spin squeezing of Bose condensed atoms

2002-12-12

arxiv.org/abs/cond-mat/0212286v1

Physics

Condensed Matter

a followup to Phys. Rev. Lett. vol. 87, 170402 (2001); with discussions on entanglement detection

Scientific paper

10.1103/PhysRevA.68.043622

We propose a direct, coherent coupling scheme that can create massively entangled states of Bose-Einstein condensed atoms. Our idea is based on an effective interaction between two atoms from coherent Raman processes through a (two atom) molecular intermediate state. We compare our scheme with other recent proposals for generation of massive entanglement of Bose condensed atoms. We also present explicit calculations that support detecting maximally entangled states without requiring single atom resolved measurements.

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