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arxiv: quant-ph/0608039 · v4 · submitted 2006-08-04 · 🪐 quant-ph

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Time Optimal Unitary Operations

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classification 🪐 quant-ph
keywords optimalquantumtimeunitaryanisotropicchoosingcomputationdemonstrate
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Extending our previous work on time optimal quantum state evolution, we formulate a variational principle for the time optimal unitary operation, which has direct relevance to quantum computation. We demonstrate our method with three examples, i.e. the swap of qubits, the quantum Fourier transform and the entangler gate, by choosing a two-qubit anisotropic Heisenberg model.

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