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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				Wednesday, February 13, 20132:30 PM - 3:30 PMPhysics Auditorium, TA-3, SM-215 ••• Note non-standard location*** Seminar Testing the limits of quantum mechanics: motivation, state of play, prospects Professor Anthony LeggettUniversity of Illinois I present the motivation for experiments which attampt to generate,and verify the existence of,quantum superpositions of two or more states which are by some reasonable criterion "macroscopically" distinct,and show that various a priori objections to this program made in the literature are flawed.I review the extent to which such experiments currently exist in the areas of free-space molecular diffraction,magnetic biomolecules,quantum optics and Josephson devices,and sketch possible future lines of development of the program. Host: Robert Ecke, CNLS, 667-1444, ecke@lanl.gov