Cooling a micro-mechanical resonator by quantum back-action from a noisy qubit
classification
❄️ cond-mat.mes-hall
cond-mat.supr-con
keywords
qubitcoolingresonatorback-actiondephasingmechanicalquantumexample
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We study the role of qubit dephasing in cooling a mechanical resonator by quantum back-action. With a superconducting flux qubit as a specific example, we show that ground-state cooling of a mechanical resonator can only be realized if the qubit dephasing rate is sufficiently low.
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