Quantum Limitations on Measurement of Magnetic Flux
- 31 October 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 61 (18), 2019-2021
- https://doi.org/10.1103/physrevlett.61.2019
Abstract
If the magnetic flux trapped in a superconducting quantum-interference device has observable values , which alternate in time, and if the value at a given moment is unknown, it is in general impossible to determine that value without affecting the results of subsequent observations.
Keywords
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