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Dresden 2011 – scientific programme

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SAMOP-DP: SAMOP Dissertation Prize 2011

SAMOP-DP 1: S-AMOP Dissertation Prize Symposium

SAMOP-DP 1.4: Invited Talk

Tuesday, March 15, 2011, 12:00–12:30, MENSA Dül

State-selective transport of single neutral atoms — •Michal Karski — Institut für Angewandte Physik, Universität Bonn, Germany

Tailoring the wave function of a single quantum particle and controlling its evolution by quantum interference phenomena opens up new perspectives in quantum engineering and information science. Individual neutral atoms in a one-dimensional optical lattice provide an ideal and transparent model system for this purpose. Their spin states and positions can be perfectly controlled and the state-selective transport enables the creation of spin-position entangled states. Such transport allowed us to implement a single-atom interferometer and a quantum walk which spreads much faster than its classical counter part --- the random walk --- by utilizing multi-path quantum interference of the atomic wave function. I present the experimental realization of the state-selective transport and its applications focussing on the discrete time quantum walk of an atom in position space, which provides all of the relevant features necessary to understand the fundamental differences between the quantum and classical regimes.

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