Kapale, Kishore T. ; Agarwal, Girish S. ; Scully, Marlan O. (2005) Cavity-mediated long-range interaction for fast multiqubit quantum logic operations Physical Review A, 72 (5). 052304_1-052304_9. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v72/i5/e052304
Related URL: http://dx.doi.org/10.1103/PhysRevA.72.052304
Abstract
Interactions among qubits are essential for performing two-qubit quantum logic operations. However, nature gives us only nearest neighbor interactions in simple and controllable settings. Here we propose a strategy to induce interactions among two atomic entities that are not necessarily neighbors of each other through their common coupling with a cavity field. This facilitates fast multiqubit quantum logic operations through a set of two-qubit operations. Using its explicit position dependence, this interaction can be employed for simulation of quantum spin systems. The ideas presented here are applicable to various quantum-information proposals for atom-based qubits such as trapped ions, atoms trapped in optical cavities, and optical lattices.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Physical Society. |
ID Code: | 11954 |
Deposited On: | 10 Nov 2010 06:44 |
Last Modified: | 16 May 2016 21:21 |
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