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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Improved Simulation of Quantum Random Walks
verfasst von : Uğur Küçük, A. C. Cem Say
Erschienen in: Computer and Information Sciences - ISCIS 2005
Verlag: Springer Berlin Heidelberg
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We present an optimized version of the quantum random walk simulation algorithm. Our approach can be generalized to optimize any quantum simulation in which the linear combination rule is used to simulate a collection of constituent Hamiltonians. The method involves manipulation of the order in which the constituent Hamiltonians are simulated for small durations in the iterative step of the simulation algorithm. An analysis to illustrate the benefits of the new approach in oracle-based simulations is also given.