Notes on tensor models and tensor field theories

Tensor models and tensor field theories admit a $1/N$ expansion and a melonic large $N$ limit which is simpler than the planar limit of random matrices and richer than the large $N$ limit of vector models. They provide examples of analytically tractable but non trivial strongly coupled quantum field...

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1. Verfasser: Gurǎu, Rǎzvan (VerfasserIn)
Dokumenttyp: Article (Journal) Kapitel/Artikel
Sprache:Englisch
Veröffentlicht: 15 Jul 2019
Ausgabe:Version v2
In: Arxiv
Year: 2019, Pages: 1-49
Online-Zugang:Verlag, lizenzpflichtig, Volltext: http://arxiv.org/abs/1907.03531
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Verfasserangaben:Razvan Gurau

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520 |a Tensor models and tensor field theories admit a $1/N$ expansion and a melonic large $N$ limit which is simpler than the planar limit of random matrices and richer than the large $N$ limit of vector models. They provide examples of analytically tractable but non trivial strongly coupled quantum field theories and lead to a new class of conformal field theories. We present a compact introduction to the topic, covering both some of the classical results in the field, like the details of the $1/N$ expansion, as well as recent developments. These notes are loosely bases on four lectures given at the Journ\'ees de physique math\'ematique Lyon 2019: Random tensors and SYK models. 
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