科研之友
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摘要
We have proposed a scheme to detect magnetic field gradients via an interferometer based on a double well two-component Bose-Einstein condensate (BEC). Utilizing a sequence of quantum control operations on both external and internal degree of the BEC, one can extract the magnetic field gradients by measuring either the population in one component or the fidelity betweOn the final external state and the initial ground state. Our scheme can be implemented by current experimental techniques of manipulating ultracold atoms.
