Theory of rf-biased superconducting quantum interference device for nonhysteretic regime

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Abstract
The SQUID response φ (φe) is studied analytically for the nonhysteretic regime, 2πLsIc<φ0, and low‐frequency excitation, ω?108 s−1. The influence of the weak‐link parameters on the voltage at the tank circuit is demonstrated. The calculations including the cos(2πφ/φ0) term are compared with the experimental results of Nisenoff and Wolf.