Thursday, August 23, 2007, 1:30 pm — Small Seminar Room, Bldg. 510
Conventional superconductivity is believed to derive from interaction between electrons and phonons, but a clear physical picture of this interaction has been lacking. A new picture of diffracting electron and phonons waves is presented, with macroscopic standing-wave patterns that are coherent across the entire superconductor. A similar picture that involves coherent spin waves may apply for the high temperature superconducting cuprates. The standing-wave patterns should be directly measurable using x-ray and neutron scattering in the superconducting state. Implications of this picture and prospects for experimental verification will be discussed.
*See ArXiv preprint http://www.arxiv.org/abs/0706.0338
Dr. Kadin is a Senior Scientist at Hypres, Inc., a small company north of New York City that is developing ultrafast superconducting electronic circuits and systems (http://www.hypres.com). (The present talk is not related to Hypres business.) Dr. Kadin has 30 years of experience in superconducting devices and materials. Prior to coming to Hypres in 2000, Dr. Kadin was a faculty member at the University of Rochester.
Hosted by: Adrian Gozar
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