Abstract
Within present low-temperature technology it is possible to construct macroscopic circuits which exhibit quantum behavior, i.e., subcircuit currents and voltages need to be treated as operators rather than numerical quantities. The general theory of “quantum circuits” is discussed with a view toward the experimental verification of quantum electrodynamics on a macroscopic scale.
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Widom, A. Quantum electrodynamic circuits at ultralow temperature. J Low Temp Phys 37, 449–460 (1979). https://doi.org/10.1007/BF00119200
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DOI: https://doi.org/10.1007/BF00119200