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Published March 1998 | public
Journal Article

The Superfluid ^4He Analog of the RF SQUID


We describe the theory, design, fabrication, and performance of a super fluid ^4He device which is the analog of the superconducting RF SQUID. This device is a sensitive rotation detector and is used to sense the rotation of the Earth. We also describe the experimental developments and observations which lead to the construction of this successful device.

Additional Information

© 1998 Plenum Publishing Corporation. Received July 3, 1997; revised October 29, 1997. We would like to acknowledge: the many helpful conversations with S. Backhaus, S. Davis, S. Vitale, and R. Dolesi; A. Amar, J. Steinhauer, and Yu. Mukharsky for significant contributions on earlier experiments; A. Loshak for microfabricating the aperture used in the device reported in the main section of this paper; Marc Hadley of the Berkeley Sensors and Actuators Group for his helpful fabrication advice. Finally, we would like to thank the referees who's suggestions substantially improved this manuscript. This work has been partially supported by the National Science Foundation and the Office of Naval Research.

Additional details

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October 18, 2023