Cited by 62Noncommutative and Quantum Gravity TheoriesTheoretical and Computational Physicsadvanced mathematical theories

Functional Renormalization Group analysis of a Tensorial Group Field Theory on $\mathbb{R}^3$

Open access
Ben Geloun, Joseph, Martini, Riccardo, Oriti, Daniele·2015·EPL (Europhysics Letters)

Abstract

We study a model of Tensorial Group Field Theory (TGFT) on R 3 from the point of view of the Functional Renormalization Group (FRG). This is the first attempt to apply a renormalization procedure to a TGFT model defined over a non-compact group manifold. IR divergences (with respect to the metric on R ) coming from the non-compactness of the group are regularised via compactification, and a thermodynamic limit is then taken. We identify then IR and UV fixed points of the RG flow and find strong hints of a phase transition of the TGFT system from a symmetric to a broken or condensate phase in the IR.

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Crossref · 10.1209/0295-5075/112/31001

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58 of 58 references verified0 citation errors · 0 not checkable

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  • In quantum optics, non-Fock coherent states with an infinite number of (soft) photons can be described in terms of a classical radiation field.

    “since in the context of quantum optics it was understood that such non-Fock coherent states with an infinite number of (soft) photons can be described in terms of a classical radiation field [35].”
  • The unboundedness of L leads to a finite particle density in the infinite volume in contrast to a vanishing particle density for bounded L in the same limit.

    “Furthermore, one can show that the unboundedness of L leads to a finite particle density in the infinite volume in contrast to a vanishing particle density for bounded L in the same limit [35].”

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Cited by

Authors
Ben Geloun, J., Martini, R., & Oriti, D.
Affiliations
  • Max Planck Institute for Gravitational Physics (DE)
  • Max Planck Society (DE)
Venue
EPL (Europhysics Letters)
Published
2015-11-17
Volume
112
Issue
3
Pages
31001
ISSN
  • 0295-5075 (ISSN-L)
  • 1286-4854
OpenAlex
W1896803414
Cited by
62
References
58
Citations by year
2026: 3 · 2025: 1 · 2024: 5 · 2023: 3 · 2022: 2 · 2021: 6 · 2020: 9 · 2019: 7 · 2018: 10 · 2017: 5 · 2016: 11
FWCI
5.46
Type
journal article
Language
en
Open access
Locations
  • Europhysics Letters (EPL) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Theoretical and Computational Physics
  • Physical Sciences › Mathematics › Mathematical Physics › advanced mathematical theories
Keywords
tensorial group field theory, functional renormalization group, three-dimensional space, infrared divergences, compactification, thermodynamic limit, infrared fixed point, ultraviolet fixed point, phase transitions, condensation, quantum gravity

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