Emergence of a 4D world from casual quantum gravity

By J. Ambjørn, J. Jurkiewicz, R. Loll. 2004

405 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/1960f6bca31268a400f0513f40fd6aa35e6d03e4

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Citations in the corpus

Quantum gravity from causal dynamical triangulations: a review (2019, background): “erval where the spatial volume diers appreciably from its kinematically allowed minimum n=5) scales /N1=4 4 as a function of the total four-volume N4, while for the spatial volumes one nds n/N 3=4 4 [8,11,17]. The situation for the torus case is dierent: the four-volume is on average evenly distribu”
Spectral dimension of the universe (2005, methodology): “In the continuum limit, the CDT time τ becomes proportional to the cosmological proper time of a conventional minisuperspace model [6].3 We extract information about the continuum limit of the theory by Monte Carlo simulations and a finite-size scaling analysis of (9).”
Quantum-Spacetime Phenomenology (2008, background): “I share the view of many quantum-spacetime phenomenologists who are looking at the approach based on causal dynamical triangulations [45, 371, 46, 47, 372, 49] as a maturing opportunity for inspiring the phenomenology work.”
Nonperturbative quantum gravity (2012, background): “What we observe in the simulations [77, 78] is that for the range of discrete volumes N4 under study the universe does not extend (i.”
Gravity and the quantum (2004, background): “However, I would like to emphasize that there are a number of other fascinating and highly original approaches —particularly causal dynamical triangulations [30,41], Euclidean quan-”
The Asymptotic Safety Scenario in Quantum Gravity (2006, background): “4), the microscopic geometries appear to be effectively two-dimensional [6, 7].”
Reconstructing the universe (2005, background): “A closer look at the quantum geometry reveals a number of highly nonclassical aspects, including a dynamical reduction of spacetime to two dimensions on short scales and a fractal structure of slices of constant time.”
Nonperturbative quantum de Sitter universe (2008, background): “8.”
The universe from scratch (2005, background): “ obvious relation between a nonperturbative path integral for Lorentzian and one for Euclidean geometries. In fact, causal dynamically triangulated gravity in dimensions two [21], three [22] and four [23, 24, 6, 7, 8, 9, 25] has for the ﬁrst time provided concrete evidence that the two path integral”
Spectral dimension of the universe in quantum gravity at a lifshitz point. (2009, unknown): “Contents”