85 citations · 323 across the 14 of their papers we have counts for
4 papers · 1 filter
Trapping a particle of a quantum walk on the line
Antoni Wojcik, Tomasz Luczak, Pawel Kurzynski +3
We observe that changing a phase at a single point in a discrete quantum walk results in a rather surprising localization effect. For certain values of this phase change the possib…
Limit measures of inhomogeneous discrete-time quantum walks in one dimension
Norio Konno, Tomasz Luczak, Etsuo Segawa
We treat three types of measures of the quantum walk (QW) with the spatial perturbation at the origin, which was introduced by [1]: time averaged limit measure, weak limit measure,…
Multiuser quantum communication networks
A. Wojcik, T. Luczak, P. Kurzynski +3
We study a quantum state transfer between spins interacting with an arbitrary network of spins coupled by uniform XX interactions. It is shown that in such a system under fairly ge…
Quantum walks on cycles
Malgorzata Bednarska, Andrzej Grudka, Pawel Kurzynski +2
We consider asymptotic behaviour of a Hadamard walk on a cycle. For a walk which starts with a state in which all the probability is concentrated on one node, we find the explicit…