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|Title:||Unconventional geometric quantum computation in a two-mode cavity||Authors:||Wu, C.
|Issue Date:||9-Aug-2007||Citation:||Wu, C., Wang, Z., Feng, X.-L., Goan, H.-S., Kwek, L.C., Lai, C.H., Oh, C.H. (2007-08-09). Unconventional geometric quantum computation in a two-mode cavity. Physical Review A - Atomic, Molecular, and Optical Physics 76 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.76.024302||Abstract:||We propose a scheme for implementing unconventional geometric quantum computation by using the interaction of two atoms with a two-mode cavity field. The evolution of the system results in a nontrivial two-qubit phase gate. The operation of the proposed gate involves only metastable states of the atom and hence is not affected by spontaneous emission. The effect of cavity decay on the gate is investigated. It is shown that the evolution time of the gate in the two-mode case is less than that in the single-mode case proposed by Feng [Phys. Rev. A 75, 052312 (2007)]. Thus the gate can be more decay tolerant than the previous one. The scheme can also be generalized to a system consisting of two atoms interacting with an N -mode cavity field. © 2007 The American Physical Society.||Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/53248||ISSN:||10502947||DOI:||10.1103/PhysRevA.76.024302|
|Appears in Collections:||Staff Publications|
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