Physics Seminar DATE: 2003-07-14 16:00 - 17:00 PLACE: Seminar Hall in Building No.3 TITLE: Physics Seinar: Approaches To Quark Confinement (English) CONTACT: takeshi.komatsubara SPEAKER: Edward Witten  (Institute for Advanced Studies) LANGUAGE: English URL: http://seminar.kek.jp/physics/ ABSTRACT: Although QCD has been with us for a long time, confinement of quarks is still not fully understood. In this talk, I will survey some old and new approaches to quark confinement, centering on electric-magnetic duality, relations to string theory, and the large N limit. Back