Superconductivity in the vicinity of quantum critical point" Dr. Yoshihiko IHARA, June 10th - Information


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Information

2011/06/01
Superconductivity in the vicinity of quantum critical point" Dr. Yoshihiko IHARA, June 10th
1st Hokudai pure and applied physics salon
 
title:"Superconductivity in the vicinity of quantum critical point"
speaker:Yoshihiko IHARA
room:2nd building 409
time:June10th 17:00
abstract:
L. N. Cooper found that the Fermi surface is destabilized by an infinitely small interaction if it is attractive. For electrons in solids, however, a secret trick is required to induce the attractive interactions out of  Coulomb repulsion, and eventually to cause superconductivity.
In these years, numbers of intriguing superconductors are found in the vicinity of the "quantum critical point", where quantum fluctuations rather than thermal ones govern the physical properties. In this salon, I will review some of the new members of superconductors, and examine the quantum fluctuations as the driving force for superconductivity.

20110610.pdf