The momentum analyticity of two point correlators from perturbation theory and AdS/CFT

The momentum plane analyticity of two point function of a relativistic thermal field theory at zero chemical potential is explored with both perturbative and nonperturbative method. A general principle regarding the location of t he singularities is extracted. In the case of the N = 4 supersymmetric...

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Bibliographic Details
Published in:The journal of high energy physics 2010-07, Vol.2010 (7), Article 42
Main Authors: Hou, De-fu, Li, Jia-rong, Liu, Hui, Ren, Hai-cang
Format: Article
Language:English
Subjects:
Chemical potential
Classical and Quantum Gravitation
Correlation analysis
Elementary Particles
Field theory
High energy physics
Momentum
Perturbation theory
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Relativistic theory
Relativity Theory
Singularities
String Theory
Yang-Mills theory
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Summary:The momentum plane analyticity of two point function of a relativistic thermal field theory at zero chemical potential is explored with both perturbative and nonperturbative method. A general principle regarding the location of t he singularities is extracted. In the case of the N = 4 supersymmetric Yang-Mills theory at large N c , the nonperturbative nature of the singularity (simple poles) is observed in the strong coupling limit via the AdS/CFT correspondence.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP07(2010)042