Tuesday, January 23, 2007, 11:00 am — Hamilton Seminar Room, Bldg. 555
Studies of symmetries and the consequences of breaking them have lead to deeper understanding in many areas of science. The high-temperature superconductors, discovered in 1986, motivated an unprecedented world-wide flurry of research: Not only because applications are promising, but because they also represent a fascinating new state of matter that breaks certain fundamental symmetries. After providing a general background on broken symmetries and superconductivity, we show how planar tunneling spectroscopy can detect broken gauge (superconductivity), reflection (d-wave symmetry superconducting order parameter) and time-reversal (ferromagnetism) symmetries.
Hosted by: Ivan Bozovic
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