Quantum pump for counter-circulations in a spinor Bose-Einstein condensate

Details Quantum pump for counter-circulations in a spinor Bose-Einstein condensate Quantum pump for counter-circulations in a spinor Bose-Einstein condensate

2010-03-24

arxiv.org/abs/1003.4618v1

Phys. Rev. A 81, 053619 (2010)

Physics

Condensed Matter

Quantum Gases

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.81.053619

We propose a pump scheme for quantum circulations, including counter-circulations for superposition states, of a spinor Bose-Einstein condensate. Our scheme is efficient and can be implemented within current experimental technologies and setups. It remains valid for non-classical atomic states, such as pseudo-spin squeezed states and maximal entangled N-GHZ or NooN states. Moreover, it is capable of transforming several enhanced sensing protocols relying on reduced fluctuations from quantum correlation and entanglement of atomic internal states to enhanced measurement of spatial interference and rotation.

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