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SUMMARY:A fine-tuning-free formulation of 4d N=4 super Yang-Mills - Masano
 ri Hanada
DTSTART:20110222T141500Z
DTEND:20110222T153000Z
UID:TALK29338@talks.cam.ac.uk
CONTACT:19219
DESCRIPTION:A fine-tuning free lattice formulation of 4d N=4 SYM\, if it e
 xists\, would be useful for nonperturbative tests of the AdS/CFT correspon
 dence. However it is not successful so far. In this talk we point out stri
 ng-inspired matrix model techniques are very useful for the nonperturbativ
 e formulation of 4d N=4 SYM. We construct a two-dimensional lattice with a
  plane wave deformation\, from which two additional dimensions emerge thro
 ugh the Myers effect. In other words we construct a D1-brane theory from w
 hich a D3-brane theory\ncomes out. We show that this formulation does not 
 require any fine tuning at least to all order in perturbation theory. If t
 ime permits\, I show some numerical results of 1d and 2d SYM theories\, in
  order to demonstrate how numerical simulation works in the context of the
  AdS/CFT and the gauge/gravity duality.\n\n
LOCATION:MR11 (Malcolm Room)\, Pavilion B\, DAMTP\, CMS
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