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Non-conformal gauge...
Non-conformal gauge/string duality : A rigorous case study
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- Chen-Lin, Xinyi (author)
- Uppsala universitet,Teoretisk fysik,Nordita
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- Zarembo, Konstantin, Professor (thesis advisor)
- Nordita
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- Russo, Jorge, Professor (opponent)
- University of Barcelona
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(creator_code:org_t)
- ISBN 9789155499426
- Uppsala : Acta Universitatis Upsaliensis, 2017
- English 60 s.
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Abstract
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- The gauge/string duality, a.k.a. the holographic principle is a profound assertion that emerged from string theory. It relates strongly-coupled gauge theories to weakly coupled string theories living in a higher-dimensional curved geometry. Nevertheless, it is a conjecture, and only a few instances of its more concrete form, the AdS/CFT correspondence, are well-understood. The most well-studied example is the duality between N=4 SYM, which is a CFT, and type IIB string theory in AdS5xS5 background. Generalization to less symmetric cases is a must, and the next logical step is to add a mass scale to N=4 SYM, therefore breaking its conformal symmetry and leading to N=2* SYM, the theory we study in this thesis. It is supersymmetric enough to employ the powerful localization method that reduces its partition function to a matrix model. We will see that the mass scale causes non-trivial phase structures in its vacuum configuration, visible in the holographic regime. We will probe them using Wilson loops in different representations of the gauge group. On the other hand, the dual supergravity background was derived by Pilch-Warner, making N=2* theory an explicitly testable non-conformal holographic case, which is a rare example. We will prove that the duality works for the dual observables (string action, D-branes) we managed to compute, even at a quantum-level.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- AdS/CFT correspondence
- holographic principle
- supersymmetric localization
- Wilson Loops
- Theoretical Physics
- Teoretisk fysik
Publication and Content Type
- vet (subject category)
- dok (subject category)
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