Universal coefficient of the exact correlator of a large- N matrix field theory

Eytan Katzav; Peter Orland

doi:10.1103/PhysRevD.94.065041

Universal coefficient of the exact correlator of a large- N matrix field theory

Eytan Katzav, Peter Orland

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Exact expressions have been proposed for correlation functions of the large-N (planar) limit of the (1+1)-dimensional SU(N)×SU(N) principal chiral sigma model. These were obtained with the form-factor bootstrap.

Original language	English
Article number	065041
Journal	Physical Review D
Volume	94
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.94.065041
State	Published - 28 Sep 2016

Bibliographical note

Publisher Copyright:
©=C2ln2mx, where m is the mass gap, in agreement with the perturbative renormalization group. Here we point out that the universal coefficient C2 is proportional to the mean first-passage time of a Lévy flight in one dimension. This observation enables us to calculate C2=1/16π. © 2016 American Physical Society.

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10.1103/PhysRevD.94.065041

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abstract = "Exact expressions have been proposed for correlation functions of the large-N (planar) limit of the (1+1)-dimensional SU(N)×SU(N) principal chiral sigma model. These were obtained with the form-factor bootstrap.",

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Universal coefficient of the exact correlator of a large- N matrix field theory

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