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UID:748@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20160429T130000
DTEND;TZID=Europe/Berlin:20160429T140000
DTSTAMP:20160428T114048Z
URL:https://qft.physik.hu-berlin.de/next-seminars/vladimir-mitevuniv-of-ma
 inz/
SUMMARY:Vladimir Mitev(Univ. of Mainz) - Effective couplings in N=2 supersy
 mmetric gauge theories
DESCRIPTION:The best studied interacting four dimensional gauge theory is N
  = 4 Super Yang-Mills and it is important to find ways to apply our unders
 tanding of it to other less symmetric theories. Suprisingly\, certain quan
 tities in other supersymmetric gauge theories can be obtained by a substit
 ution rule in which one takes the N=4 result and replaces the gauge coupli
 ng by an "effective coupling". A crucial question is then to understand to
  which degree these effective couplings are  independent of the observabl
 e computed.  With this goal in mind\, we calculate supersymmetric Wilson 
 loops on the ellipsoid for a large class of N = 2 SCFT using localization.
  From them we extract the radiation emitted by an accelerating heavy probe
  quark and the entanglement entropy. Comparing our results with the N = 4 
 SYM ones\, we obtain effective couplings and analyze their universality.
CATEGORIES:Research Seminars
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DTSTART:20160327T030000
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