Gauge invariant regularization in the AdS/CFT correspondence and ghost D-branes

Evans, Nick, Morris, Tim R. and Rosten, Oliver J. (2006) Gauge invariant regularization in the AdS/CFT correspondence and ghost D-branes. Physics Letters B, 635 (2-3), 148-150. (doi:10.1016/j.physletb.2006.02.055).

Abstract

A field theoretic understanding of how the radial direction in the AdS/CFT correspondence plays the role of a gauge invariant measure of energy scale has long been missing. In SU(N) Yang–Mills, a realization of a gauge invariant cutoff has been achieved by embedding the theory in spontaneously broken SU(N|N) gauge theory. With the recent discovery of ghost D-branes an AdS/CFT correspondence version of this scheme is now possible. We show that a very simple construction precisely ties the two pictures together providing a concrete understanding of the radial RG flow on the field theory side.

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Contributors

Author: Tim R. Morris

University divisions

• Faculties (pre 2011 reorg) > Faculty of Engineering Science & Maths (pre 2011 reorg) > Physics & Astronomy (pre 2011 reorg)
  Current Faculties > Faculty of Engineering and Physical Sciences > School of Physics and Astronomy > Physics & Astronomy (pre 2011 reorg)
  School of Physics and Astronomy > Physics & Astronomy (pre 2011 reorg)

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