Physics Department, University of California, Berkeley
Superconductivity is a macroscopic quantum phenomenon. Two of its
manifestations are flux quantization and Josephson tunneling, which are
the basis of the Superconducting Quantum Interference Device (SQUID).
SQUIDs are exquisitely sensitive detectors of magnetic field and
voltage, and find a broad range of applications. Clarke will explain
superconductivity and SQUID and describe some of these applications,
including their use in:
a "dark matter" detector to search for the putative axion.
MRI scans in extremely low fields (microTesla).
information about John Clarke and its research visit his
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