Slide 1 GEOS-Chem Users Meeting April 12, 2007 U.S. INFLUENCE ON TROPOSPHERIC OZONE AND THE EFFECTS OF RECENT EMISSION REDUCTIONS Modeling: Rynda Hudman*, Lee Murray, Daniel…

Slide 1 A new scenario for the metal- Mott insulator transition in 2D Why 2D is so special ? S. Sorella Coll. F. Becca, M. Capello, S. Yunoki Sherbrook 8 July 2005 1 Critical…

Slide 1 2004: Room Temperature Superconductivity: Dream or Reality? 1972: High Temperature Superconductivity: Dream or Reality? Annual Review of Materials Science, August…

The Hubbard Model for Dummies • • – – Introduction Some math 2nd quantization The partition function • – – – Limiting cases t=0 U=0 Mean field theory •…

Subir Sachdev Science 286, 2479 (1999). Quantum phase transitions in atomic gases and condensed matter Transparencies online at http://pantheon.yale.edu/~subir Quantum Phase…