Maximal entanglement from quantum random walks

Details Maximal entanglement from quantum random walks Maximal entanglement from quantum random walks

2010-11-28

arxiv.org/abs/1011.6023v2

Quantum Information Processing: Volume 11, Issue 1 (2012), Page 211-227

Physics

Quantum Physics

Latex source, 9 pages, 6 figures (revised version, identical to published one)

Scientific paper

10.1007/s11128-011-0240-3

The conditions under which entanglement becomes maximal are sought in the general one--dimensional quantum random walk with two walkers. Moreover, a one--dimensional shift operator for the two walkers is introduced and its performance in generating entanglement is analyzed as a function of several free parameters, some of them coming from the shift operator itself and some others from the coin operator. To simplify the investigation an averaged entanglement is defined.

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