Interaction-free measurements with superconducting qubits
classification
❄️ cond-mat.supr-con
quant-ph
keywords
qubitcircuitinteraction-freepulsesuperconductingascertainconsistingcurrent
read the original abstract
An interaction-free measurement protocol is described for a quantum circuit consisting of a superconducting qubit and a read-out Josephson junction. By measuring the state of the qubit one can ascertain the presence of a current pulse through the circuit at a previous time without any energy exchange between the qubit and the pulse.
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