Quantum walk - PowerPoint PPT Presentation

Quantum algorithms with polynomial speedups

Quantum algorithms with polynomial speedups. Andris Ambainis University of Latvia. Search [Grover, 1996]. ?. ?. ?. ?. ?. N objects; Find an object with a certain property. Conventional computer: N objects Quantum computer: √N objects. Useful for many computational tasks.

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387 views • 36 slides

Quantum random walks

Quantum random walks. Andre Kochanke. 7/27/2011. Max-Planck-Institute of Quantum Optics. Motivation. Motivation. ?. ?. ?. ?. Overview. Density matrix formalism Randomness in quantum mechanics Transition from classical to quantum walks Experimental realisation.

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592 views • 30 slides

Simulation analysis of quantum walks

Simulation analysis of quantum walks. Tomohiro YAMASAKI QCI, ERATO, JST / University of Tokyo. Background. Quantum computation is more powerful Shor’s factoring algorithm Grover’s searching algorithm Random walks are very efficient in various fields

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338 views • 12 slides

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