Bulletin of the American Physical Society
2005 APS March Meeting
Monday–Friday, March 21–25, 2005; Los Angeles, CA
Session T1: Einstein and Condensed Matter Physics |
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Sponsoring Units: DCMP Chair: Marvin L. Cohen, University of California-Berkeley Room: Westin Hotel San Francisco |
Wednesday, March 23, 2005 7:30PM - 8:06PM |
T1.00001: Einstein's thesis revisited: the size, geometry, and interactions of nanoparticles – a basis for NEMS Invited Speaker: Many of the physics problems of interest to Einstein throughout his career had and continue to have relevance to solid state physics. Einstein's doctoral thesis work, submitted in April 1905, in fact concerned the size, geometry, and interactions of nanoscale particles. These topics are of fundamental relevance to the design, creation, and operation of next-generation nanoelectromechanical systems. I will highlight some interesting problems which, 100 years later, have come full circle. [Preview Abstract] |
Wednesday, March 23, 2005 8:06PM - 8:42PM |
T1.00002: Evidence of Bose-Einstein Condensation in solid helium Invited Speaker: The onset of superfluidity in liquid He-4 below 2.176K is associated with Bose-Einstein condensation where He-4 atoms condensed into a single momentum state and acquire quantum mechanical coherence over macroscopic length scales. Bose- Einstein condensation of alkali atoms in the vapor phase was achieved in 1995 and there is strong evidence for superfluidity in these systems. Perhaps counter to intuition, superfluid-like behavior is thought possible even in solid helium. Recent high Q torsional oscillator measurements found evidence of superflow in solid helium confined in porous media (1) and in bulk solid helium (2), indicating Bose-Einstein condensation very likely occurs in all three phases of matter. (1) E. Kim and M. H. W. Chan, Nature 427, 225 (2004) (2) E. Kim and M. H. W. Chan, Science 305, 1941 (2004). [Preview Abstract] |
Wednesday, March 23, 2005 8:42PM - 9:18PM |
T1.00003: Modern Photoemission Spectroscopy - 100 Years Since Einstein's Photon Invited Speaker: Photoemission spectroscopy has emerged as a leading tool to push the frontier of condensed matter physics--100 years since Einstein's photon. The power of photoemission stems from the direct way it measures electronic structure. In the past decade, enormously improved resolution and experimental collaborations have allowed this technique to influence some of the deepest questions of quantum physics. We will present recent results from complex materials to showcase the progress. [Preview Abstract] |
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