A Hint of T Violation in a High‐
NOV 01, 1997
DOI: 10.1063/1.881992
Unexpected behavior in a tunneling experiment on one of the high‐temperature superconductors has led the experimenters to conclude that they are seeing broken time‐reversal symmetry. The evidence, if confirmed, would indicate a violation of time reversal only at the surface, but it nevertheless has created a lot of interest, especially among theorists who predicted some type of symmetry breaking in unconventional superconductors even in the bulk.
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© 1997 American Institute of Physics
