Stuttgart 2012 – wissenschaftliches Programm

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SYRA: Symposium Ultracold Rydberg Atoms and Molecules

SYRA 1: Ultracold Rydberg Atoms and Molecules 1

SYRA 1.1: Hauptvortrag

Dienstag, 13. März 2012, 10:30–11:00, V47.01

Quantum optics and quantum information with Rydberg excited atoms. — •Klaus Molmer — Aarhus University, Aarhus, Denmark

The significant dipole-dipole interaction between Rydberg excited atoms provides an on/off controllable interaction with promising applications for entanglement operations and quantum computing with neutral atoms. The blockade interaction may be used to carry out quantum gate operations between individually addressed atomic qubits, and in small ensembles, the Rydberg blockade may simultaneously couple all atoms and thus enable quantum control of collective many-body state. On the one hand, this provides new efficient multi-bit schemes for quantum computing and, on the other hand, it gives access to non-classical states and interaction mechanisms in light-matter interfaces with applications in quantum optics and quantum communication.