Summing planar diagrams by an integrable bootstrap. II

Summing planar diagrams by an integrable bootstrap. II

We continue our investigation of correlation functions of the large-N (planar) limit of the (1 + l)-dimensional principal chiral sigma model, whose bare field U(x) lies in the fundamental matrix representation of SU(N). We find all the form factors of the renormalized field [Phi](x). An exact formul...

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Veröffentlicht in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-08, Vol.86 (4), Article 045023
1. Verfasser: Orland, Peter
Format: Artikel
Sprache:eng
Schlagworte:
Correlation
Cosmology
Form factors
Gravitation
Mathematical models
Matrix representation
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Zusammenfassung:We continue our investigation of correlation functions of the large-N (planar) limit of the (1 + l)-dimensional principal chiral sigma model, whose bare field U(x) lies in the fundamental matrix representation of SU(N). We find all the form factors of the renormalized field [Phi](x). An exact formula for Wightman and time-ordered correlation functions is found.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.86.045023