Spin-spin interaction and spin-squeezing in an optical lattice

Details Spin-spin interaction and spin-squeezing in an optical lattice Spin-spin interaction and spin-squeezing in an optical lattice

1999-03-12

arxiv.org/abs/quant-ph/9903044v1

Phys.Rev.Lett.83:2274-2277,1999

Physics

Quantum Physics

4 pages, including 4 figures

Scientific paper

10.1103/PhysRevLett.83.2274

We show that by displacing two optical lattices with respect to each other, we may produce interactions similar to the ones describing ferro-magnetism in condensed matter physics. We also show that particularly simple choices of the interaction lead to spin-squeezing, which may be used to improve the sensitivity of atomic clocks. Spin-squeezing is generated even with partially, and randomly, filled lattices, and our proposal may be implemented with current technology.

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