Stringy confining Wilson loops

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Abstract

The extraction of Wilson loops of confining gauge systems from their SUGRA (string) duals is reviewed. I start with describing the basic classical setup. A theorem that determines the classical values of the loops associated with a generalized background is derived. In particular sufficient conditions for confining behavior are stated . I then introduce quadratic quantum fluctuations around the classical configurations. I discuss in details the following models of confining behavior: (i) Strings in flat space-time, (ii) AdS5 black hole and its correspondence with pure YM theory in three dimensions. In particular an attractive Luscher term is shown to be the outcome of the quantum fluctuations. (iii) Type 0 string model (iv) The Polchinski Strassler N = 1* model. In the latter case we show that SUGRA alone is not enough to get the correct nature of the loops, and only by incorporating the worldvolume phenomena of the five branes a coherent qualitative picture can be derived.

Original languageEnglish
JournalProceedings of Science
Volume6
StatePublished - 2000
Event2000 Non-Perturbative Quantum Effects, TMR 2000 - Paris, France
Duration: 7 Sep 200013 Sep 2000

Keywords

  • Confinement
  • Gauge/SUGRA duality
  • Wilson loop

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