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The Theory of Quantum Electromechanics

"Quantum electromechanics" combines superconducting qubits and nanofabricated mechanical devices into a system analogous to the canonical atom-cavity system of quantum optics. Many fascinating quantum-optical effects should be realizable in this solid-state system. The prospect of achieving very strong coupling even at large detuning suggests the exploration of parameter regimes in the spin-boson problem that are inaccessible in quantum optics experiments. I will talk about my work on the theory of quantum electromechanical systems, motivated in particular by the search for practical schemes to observe the quantum behavior of nanoscale mechanical resonators.