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TT: Fachverband Tiefe Temperaturen

TT 9: Transport: Quantum Coherence and Quantum Information Systems

TT 9.6: Vortrag

Montag, 25. Februar 2008, 15:30–15:45, H 2053

2D cavity grid quantum computing — Ferdinand Helmer¹, Matteo Mariantoni², Austin Fowler³, Jan von Delft¹, Enrique Solano¹, and •Florian Marquardt¹ — ¹Arnold-Sommerfeld Center for Theoretical Physics, Center for NanoScience and Department of Physics, Ludwig-Maximilians Universität München, Germany — ²Walther-Meissner Institut, Bayerische Akademie der Wissenschaften, Garching b. München, Germany — ³Institute for Quantum Computing, University of Waterloo, Waterloo, ON, Canada

We propose a novel scheme for scalable solid state quantum computing, where superconducting microwave transmission line resonators (cavities) are arranged in a two-dimensional grid on the surface of a chip, coupling to superconducting qubits (charge or flux) at the intersections. We analyze how tasks of quantum information processing can be implemented in such a topology, including efficient two-qubit gates between any two qubits on the grid and elements of fault-tolerant computation.