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	Center for Nonlinear Studies
	Home  ▶ People   Current   Affiliates   Alumni   Visitors   Students  ▶ Research   ICAM-LANL  ▶ Publications   2007   2006   2005   2004   2003   2002   2001   2000   <1999  ▶ Conferences   Workshops   Sponsorship  ▶ Talks   Colloquia   Seminars   Quantum Lunch   CMS Colloquia   Archive   Kac Lectures   Dist. Quant. Lecture   Ulam Scholar   Colloquia     Jobs  ▶ Students   Summer Research   Graduate Positions  ▶ Visitors   Description  ▶ Services   General   PD Travel Request     History of CNLS     Maps, Directions   CNLS Office   T-Division   LANL				Monday, July 06, 20094:00 PM - 5:00 PMCNLS Conference Room (TA-3, Bldg 1690) Seminar Chalk Talk - Single File Diffusion in a Force Field Eliahu BarkaiBar-Ilan University, Israel A general solution for motion of a tagged Brownian particle interacting with non-passable hard core Brownian particles in 1d is presented. Using the Jepsen line we find a simple formula for the mean square displacement of the tagged particle, relating it to a classical single particle reflection coefficient. This formula exhibits rich physical behaviors both in equilibrium and the approach to equilibrium of this many body problem. Work with B. Silbey PRL 102:050602,2009 Host: Golan Bel