A Multi-state Interferometer and Dynamical Quantum Zeno Effect on Atom Chip
Dr Ivan Herrero
Centre for Atom Optics and Ultrafast Spectroscopy, Swinburne University of Technology
3:30 pm Friday, 19 April 2013, EN313, EN Building, Hawthorn.
We introduce a multi-state interferometer on atom chip with an enhanced resolution and nearly perfect fringe visibility. We demonstrate its applications as a sensor of the fields whose interactions with atoms are state-dependent. According to the quantum Zeno effect (QZ), frequent observations of a system can dramatically slow down its dynamical evolution, the QZ can be exploited, for instance, to create decoherence free regions for quantum computation. We present preliminary results at LENS with subspace dynamics of 2 qubits using the scheme of the interferometer to test it.
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