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Trapped Ion Quantum Computing

Coherent control of atomic spin currents in a double well

arXiv
Authors: H. T. Ng, Shih-I Chu

Year

2011

Paper ID

29933

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

We propose an experimental feasible method for controlling the atomic currents of a two-component Bose-Einstein condensate in a double well by applying an external field to the atoms in one of the potential wells. We study the ground-state properties of the system and show that the directions of spin currents and net-particle tunneling can be manipulated by adiabatically varying the coupling strength between the atoms and the field. This system can be used for studying spin and tunneling phenomena across a wide range of interaction parameters. In addition, spin-squeezed states can be generated. It is useful for quantum information processing and quantum metrology.

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  • We propose an experimental feasible method for controlling the atomic currents of a two-component Bose-Einstein condensate in a double well by applying an external field to the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1111.0529 [2] arXiv https://arxiv.org/abs/1111.0529 [3] Publisher https://arxiv.org/abs/1111.0529

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