Answers are grounded in this paper and cite their sources.
We investigate the impact of decoherence and static disorder on the dynamics of quantum particles moving in a periodic lattice. Our experiment relies on the photonic implementation of a one-dimensional quantum walk. The pure quantum evolution is characterized by a ballistic spread of a photon's wave packet along 28 steps. By applying controlled time-dependent operations we simulate three different environmental influences on the system, resulting in a fast ballistic spread, a diffusive classical walk, and the first Anderson localization in a discrete quantum walk architecture.
No takes yet. Share an insight, caveat, or question.
Schreiber et al. (2011) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: