Manu, V. ; Kumar, Anil (2012) Singlet-state creation and universal quantum computation in NMR using a genetic algorithm Physical Review A, 86 (2). 022324_1-022324_6. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v86/i2/e022324
Related URL: http://dx.doi.org/10.1103/PhysRevA.86.022324
Abstract
The experimental implementation of a quantum algorithm requires the decomposition of unitary operators. Here we treat unitary-operator decomposition as an optimization problem, and use a genetic algorithm—a global-optimization method inspired by nature's evolutionary process—for operator decomposition. We apply this method to NMR quantum information processing, and find a probabilistic way of performing universal quantum computation using global hard pulses. We also demonstrate the efficient creation of the singlet state (a special type of Bell state) directly from thermal equilibrium, using an optimum sequence of pulses.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Physical Society. |
ID Code: | 95812 |
Deposited On: | 26 Nov 2012 07:25 |
Last Modified: | 26 Nov 2012 07:25 |
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