Abal, G.; Donangelo, R.; Severo, F.; Siri, R. - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 1, pp. 335-345
We consider the effect of different unitary noise mechanisms on the evolution of a quantum walk (QW) on a linear chain with a generic coin operation: (i) bit-flip channel noise, restricted to the coin subspace of the QW and (ii) topological noise caused by randomly broken links in the linear...