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    • Bound on quantum computation time: Quantum error correction in a critical environment 

      Novais, E; Mucciolo, ER; Baranger, HU (Physical Review A - Atomic, Molecular, and Optical Physics, 2010-08-31)
      We obtain an upper bound on the time available for quantum computation for a given quantum computer and decohering environment with quantum error correction implemented. First, we derive an explicit quantum evolution operator ...