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Phys Rev Lett. 2004 Aug 13;93(7):070501. Epub 2004 Aug 10.

Superconducting qubit storage and entanglement with nanomechanical resonators.

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1
Department of Physics, University of California, Santa Barbara, California 93106, USA.

Abstract

We propose a quantum computing architecture based on the integration of nanomechanical resonators with Josephson-junction phase qubits. The resonators are GHz-frequency, dilatational disk resonators, which couple to the junctions through a piezoelectric interaction. The system is analogous to a collection of tunable few-level atoms (the Josephson junctions) coupled to one or more electromagnetic cavities (the resonators). Our architecture combines desirable features of solid-state and optical approaches and may make quantum computing possible in a scalable, solid-state environment.

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