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SUMMARY:Extended supersymmetry and the Seiberg-Witten solution - Andrew Si
 ngleton
DTSTART:20131016T151500Z
DTEND:20131016T161500Z
UID:TALK48093@talks.cam.ac.uk
CONTACT:Alasdair Routh
DESCRIPTION:Strongly coupled phenomena in realistic QFTs are notoriously d
 ifficult to say anything very precise about\, owing to the lack of theoret
 ical control we have over quantum corrections. Supersymmetry offers the ta
 ntalising possibility of 'miraculous cancellations'\, allowing us to make 
 exact quantitative statements valid for all values of the coupling. I will
  describe the 1994 work of Seiberg and Witten which led the way in this ar
 ea\, computing the exact low energy effective action of N=2 Super-Yang-Mil
 ls theory. Along the way we'll see an electromagnetic duality between fund
 amental particles and solitons\, an explicit mechanism for confinement and
  remarkable links to algebraic geometry\, integrable systems and more. 
LOCATION:CMS\, Potter Room (B1.19) 
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