Results 1 to 10 of about 5,632,423 (343)
Thermal quantum gravity condensates in group field theory cosmology [PDF]
Physical Review D, 2020 The condensate cosmology program of group field theory has produced several interesting results. The key idea is in the suggestion that a macroscopic homogeneous spacetime can be approximated by a dynamical condensate phase of the underlying microscopic ...
Mehdi Assanioussi, Isha Kotecha
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Group Field Theory Condensate Cosmology: An Appetizer [PDF]
Universe, 2019 This contribution is an appetizer to the relatively young and fast-evolving approach to quantum cosmology based on group field theory condensate states. We summarize the main assumptions and pillars of this approach which has revealed new perspectives on
Andreas G. A. Pithis +1 more
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Group Field Theory and Its Cosmology in a Matter Reference Frame [PDF]
Universe, 2018 While the equations of general relativity take the same form in any coordinate system, choosing a suitable set of coordinates is essential in any practical application.
Steffen Gielen
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Progress in Solving the Nonperturbative Renormalization Group for Tensorial Group Field Theory [PDF]
Universe, 2019 This manuscript aims at giving new advances on the functional renormalization group applied to the tensorial group field theory. It is based on the series of our three papers (Lahoche, et al., Class. Quantum Gravity 2018, 35, 19), (Lahoche, et al., Phys.
Vincent Lahoche, Dine Ousmane Samary
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Inequivalent coherent state representations in group field theory [PDF]
, 2018 In this paper we propose an algebraic formulation of group field theory and consider non-Fock representations based on coherent states. We show that we can construct representations with infinite number of degrees of freedom on compact base manifolds. We
Kegeles, Alexander +2 more
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Double Field Theory on Group Manifolds in a Nutshell [PDF]
, 2017 We give a brief overview of the current status of Double Field Theory on Group Manifolds (DFTWZW). Therefore, we start by reviewing some basic notions known from Double Field Theory (DFT) and show how they extend/generalize into the framework of Double ...
Ralph Blumenhagen +3 more
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Functional Renormalisation Group Approach for Tensorial Group Field Theory: a Rank-3 Model [PDF]
Journal of High Energy Physics, 2015 We set up the Functional Renormalisation Group formalism for Tensorial Group Field Theory in full generality. We then apply it to a rank-3 model over U(1) x U(1) x U(1), endowed with a linear kinetic term and nonlocal interactions.
Benedetti, Dario +2 more
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Equivalence of Models in Loop Quantum Cosmology and Group Field Theory [PDF]
Universe, 2019 The paradigmatic models often used to highlight cosmological features of loop quantum gravity and group field theory are shown to be equivalent, in the sense that they are different realizations of the same model given by harmonic cosmology.
Bekir Baytaş +2 more
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Quantum group generators in conformal field theory [PDF]
, 1997 These are notes of a seminar given at the 30th International Symposium on the Theory of Elementary Particles, Berlin-Buckow, August 1996. The material is derived from collaborations with E. Cremmer and J.-L. Gervais, and C. Klimcik, and is partially new.
J. Schnittger
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Wilson loops, geometric operators and fermions in 3d group field theory
Open Physics, 2011 Group field theories whose Feynman diagrams describe 3d gravity with a varying configuration of Wilson loop observables and 3d gravity with volume observables at each vertex are defined.
Dowdall R.
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