Regensburg 2007 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 3: Quantum Coherence and Quantum Information Systems I

TT 3.10: Talk

Monday, March 26, 2007, 12:15–12:30, H20

2D Cavity Grid Quantum Computing — •Ferdinand Helmer¹, Jan von Delft¹, Matteo Mariantoni², Florian Marquardt¹, and Enrique Solano¹ — ¹Arnold-Sommerfeld-Center for Theoretical Physics, Ludwig-Maximilians-Universität, Munich, Germany — ²Walther-Meissner-Institut, Garching/Munich, Germany

We propose a novel scheme for scalable solid state quantum computing, where superconducting on-chip microwave resonators (cavities) are arranged in a two-dimensional grid, 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, initialization and read-out. The effects of decoherence, fabrication imperfections and inhomogeneities will be addressed. This work is supported by the SFB 631.