Ten questions on Group Field Theory (and their tentative answers)
Open accessAbstract
We provide a short and non-technical summary of our current knowledge and some possible perspectives on the group field theory formalism for quantum gravity, in the form of a (partial) FAQ (with answers). Some of the questions and answers relate to aspects of the formalism that concern loop quantum gravity. This summary also aims at giving a brief, rough guide to the recent literature on group field theory (and tensor models).
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Spin foam cosmology makes use of the spin foam expansion and is an expansion in terms of the number of degrees of freedom.
“In fact, spin foam cosmology (SFC) [26] makes use of the spin foam expansion [4] and is thus an expansion in terms of the number of degrees of freedom.”
From Cosmological implications of interacting group field theory models: Cyclic universe and accelerated expansion (2016) · cites this paper as [4]
A Friedmann-like evolution equation can be derived from the effective dynamics of specific GFT condensates.
“We refer to Refs. [4, 5, 7, 8, 10], where it has been demonstrated how a Friedmann-like evolution equation can be derived from such an effective dynamics of specific GFT condensates.”
From Impact of nonlinear effective interactions on group field theory quantum gravity condensates (2016) · cites this paper as [5]
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- Authors
- Baratin, A., & Oriti, D.
- Affiliations
- Max Planck Society (DE)
- ORCID
- Oriti, Daniele
- Venue
- Journal of Physics: Conference Series
- Publisher
- IOP Publishing
- Published
- 2012-05-16
- Volume
- 360
- Pages
- 012002
- ISSN
- 1742-6588 (ISSN-L)
- 1742-6596
- OpenAlex
- W2025802880
- Cited by
- 100
- References
- 53
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 2 · 2021: 4 · 2020: 1 · 2019: 6 · 2018: 9 · 2017: 7 · 2016: 33 · 2015: 11 · 2014: 8 · 2013: 6 · 2012: 5
- FWCI
- 8.22
- Type
- conference paper
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- Journal of Physics Conference Series (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
- HAL (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Relativity and Gravitational Theory
- Physical Sciences › Mathematics › Mathematical Physics › Advanced Operator Algebra Research
- Keywords
- group field theory, quantum gravity, loop quantum gravity, tensor models
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