Quantized resonator field coupled to a current-biased Josephson junction in circuit QED
classification
🪐 quant-ph
cond-mat.supr-con
keywords
current-biasedjosephsonjunctionresonatorsystemanalyzedcircuitcoupled
read the original abstract
A Lagrangian formalism is used to derive the Hamiltonian for a $\lambda$/4 resonator shunted by a current-biased Josephson junction. The eigenstates and the quantum dynamics of the system are analyzed numerically, and we show that the system can function as an efficient detector of weak incident microwave fields.
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