Universal fault-tolerant quantum computation in the presence of spontaneous emission and collective dephasing.
A universal and fault-tolerant scheme for quantum computation is proposed which utilizes a class of error correcting codes that is based on the detection of spontaneous emission (of, e.g., photons, phonons, and ripplons). The scheme is compatible with a number of promising solid-state and quantum-optical proposals for quantum computer implementations, such as quantum dots in cavities, electrons on helium, and trapped ions.
Khodjasteh
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Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada.
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