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This Week at Physics

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Event Number 3329

  Tuesday, March 18th, 2014

Atomic Physics Seminar
Role of dissipation and losses in neutral atom based quantum computing
Time: 10:00 am
Place: 5310 Chamberlin Hall
Speaker: Dr. Durga Dasari, Aarhus University, Denmark
Abstract: Originally inhomegeneities, decoherence and decay of the atomic systems were minimized in quantum computing proposals so that their effects would not disturb the ideal unitary evolution of the system. Recent works, however, suggest a quite opposite strategy, where inhomegeneities are created on purpose and the system is driven on resonance with short lived states such that it dephases and decays to robust steady states. By suitable use of the interactions, these states can be selected, e.g., as entangled states or states encoding the outcome of a quantum computation. We investigate the coherent effects induced by dissipation and decoherence in neutral atom based quantum computing proposals, for creating robust entangled states and long distance gates.
Host: Saffman
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