Macroscopic Resonant Tunneling in the Presence of Low Frequency Noise

Abstract

We develop a theory of macroscopic resonant tunneling of flux in a double-well potential in the presence of realistic flux noise with significant low-frequency component. The rate of incoherent flux tunneling between the wells exhibits resonant peaks, the shape and position of which reflect qualitative features of the noise, and can thus serve as a diagnostic tool for studying the low-frequency flux noise in SQUID qubits. We show, in particular, that the noise-induced renormalization of the first resonant peak provides direct information on the temperature of the noise source and the strength of its quantum component.

arXiv comment4 pages, 1 figure

References in corpus (7)

• Manipulating the Quantum State of an Electrical Circuit
• Quantum noise in the Josephson charge qubit
• Model for l/f Flux Noise in SQUIDs and Qubits
• 1/f Flux Noise in Josephson Phase Qubits
• Dangling-bond spin relaxation and magnetic 1/f noise from the amorphous-semiconductor/oxide interface: Theory
• Temperature square dependence of the low frequency 1/f charge noise in the Josephson junction qubits
• Macroscopic resonant tunneling of magnetic flux

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