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Qubit-Coupled Mechanics - IFSC

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<strong>Qubit</strong>-<strong>Coupled</strong> <strong>Mechanics</strong><br />

First proposed by A. Armour, M. Blencowe & K. Schwab: PRL 88 (2002) & Physica B 316 (2002).<br />

Cooper-pair box (CPB) charge qubit<br />

Nano-electromechanical resonator<br />

+<br />

Nakamura et al., Nature, 398 29 Apr. 1999 Cleland & Roukes, APL 69 28 Oct. 1996<br />

electrostatic interaction<br />

=<br />

artificial<br />

atom<br />

λ<br />

x<br />

|2><br />

|1><br />

|0><br />

|n><br />

Harmonic oscillator<br />

<strong>Qubit</strong>- coupled<br />

resonator analogous<br />

to atom-coupled<br />

photon cavity

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