Quantum random walk with Rydberg atoms in an optical lattice

Details Quantum random walk with Rydberg atoms in an optical lattice Quantum random walk with Rydberg atoms in an optical lattice

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006njph....8..156c&link_type=abstract

New Journal of Physics, Volume 8, Issue 8, pp. 156 (2006).

Physics

29

Scientific paper

We study the implementation of quantum random walks (QRWs) in a realistic system, an optical lattice of ultracold Rydberg atoms. The power-law nature of the dipolar interaction between Rydberg atoms influences the behaviour of QRWs. We discuss the QRW with a short-range nearest-neighbour interaction for two types of power-law interactions, the dipole dipole and the van der Waals interaction. A specific scheme to implement a QRW using Rydberg atoms in different sites of an optical lattice is described, in which the sites are prepared using a blockade mechanism to ensure a single Rydberg atom per site.

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