Quantum discontinuity fixed point and renormalization group flow of the Sachdev-Ye-Kitaev model

Quantum discontinuity fixed point and renormalization group flow of the Sachdev-Ye-Kitaev model

We determine the global renormalization group (RG) flow of the Sachdev-Ye-Kitaev (SYK) model. From a controlled truncation of the infinite hierarchy of the exact functional RG flow equations, we identify several fixed points. Apart from a stable fixed point, associated with the celebrated non-Fermi...

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Bibliographic Details
Main Authors: Roman Louis Smit, Davide Valentinis, Jörg Schmalian, Peter Kopietz
Format: Article
Language:English
Published: American Physical Society 2021-07-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.3.033089

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