2026-06-27T22:29:58Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/994842025-04-30T23:50:30Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Borislavov Vassilev, Teodor
author
Bouhmadi López, Mariam
author
Martín Moruno, María Del Prado
2024-02-06T12:51:45Z
2024-02-06T12:51:45Z
2023
Borislavov Vasilev, Teodor, et al. «Phantom attractors in kinetic gravity braiding theories: a dynamical system approach». Journal of Cosmology and Astroparticle Physics, vol. 2023, n.o 06, junio de 2023, p. 026. https://doi.org/10.1088/1475-7516/2023/06/026.
10.1088/1475-7516/2023/06/026
https://hdl.handle.net/20.500.14352/99484
1475-7516
https://doi.org/10.1088/1475-7516/2023/06/026
We revise the expansion history of the scalar field theories known as Kinetic Gravity Braiding. These theories are well-known for the possibility of driving the expansion of the cosmos towards a future self-tuning de Sitter state when the corresponding Lagrangian is invariant under constant shifts in the scalar field. Nevertheless, this is not the only possible future fate of these shift-symmetric models. Using a dynamical system formulation we show that future cosmological singularities can also appear in this framework. Moreover, we present explicit examples where the future attractor in the configuration space of the theory corresponds to a big rip singularity.
eng
Phantom attractors in kinetic gravity braiding theories: a dynamical system approach
journal article
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Phantom_attractors.pdf
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https://docta.ucm.es/bitstreams/966f9a66-2f1f-48b5-a6fe-13ffd8a705a3/download
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2212.02547.pdf.txt