Quantum walk on the line with quantum rings
نویسندگان
چکیده
منابع مشابه
Quantum Walk on the Line
Motivated by the immense success of random walk and Markov chain methods in the design of classical algorithms, we consider quantum walks on graphs. We analyse in detail the behaviour of unbiased quantum walk on the line, with the example of a typical walk, the “Hadamard walk”. In particular, we show that after t time steps, the probability distribution on the line induced by the Hadamard walk ...
متن کامل0 Quantum Walk on the Line ( Extended
Motivated by the immense success of random walk and Markov chain methods in the design of classical algorithms, we consider quantum walks on graphs. We analyse in detail the behaviour of unbiased quantum walk on the line, with the example of a typical walk, the “Hadamard walk”. We show that after t time steps, the probability distribution on the line induced by the Hadamard walk is almost unifo...
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Quantum walks have recently been introduced and investigated, with the hope that they may be useful in constructing new efficient quantum algorithms. For reviews of quantum walks, see Refs. [4, 16, 24]. There are two distinct types of the quantum walk: one is a discrete-time case [2, 5, 12, 14, 17, 18, 19, 22, 23], the other is a continuous-time case [1, 3, 7, 8, 10, 15, 20]. The quantum walk c...
متن کاملQuantum walk on a line with two entangled particles
We introduce the concept of a quantum walk with two particles and study it for the case of a discrete time walk on a line. A quantum walk with more than one particle may contain entanglement, thus offering a resource unavailable in the classical scenario and which can present interesting modifications on quantum walks with single particles. In this work, we show both numerically and analyticall...
متن کاملDiscrete Time Quantum Walk on a Line with two Particles
L. Sheridan, N. Paunković, Y. Omar, and S. Bose Institute for Quantum Computing, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G5, Canada [email protected] ISI Foundation, Viale S. Severo 65, I-10133 Torino, Italy [email protected] GoLP, Centro de F́ısica de Plasmas, Instituto Superior Técnico, P-1049-001 Lisbon, Portugal [email protected] Department of Phys...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2009
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.80.035327