Swampland conjecture in gravity by the Noether Symmetry Approach
May 14, 2019
12 pages
Published in:
- Phys.Rev.D 100 (2019) 8, 084013
- Published: Oct 11, 2019
e-Print:
- 1905.05654 [gr-qc]
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Abstract: (APS)
Swampland conjecture has recently been proposed to connect early time cosmological models with the string landscape, and then to understand if related scalar fields and potentials can come from some fundamental theory in the high energy regime. In this paper, we discuss swampland criteria for f(R) gravity considering models where duality symmetry is present. In this perspective, specific f(R) models can naturally belong to the string landscape. In particular, it is possible to show that duality is a Noether symmetry emerging from dynamics. The selected f(R) models, satisfying the swampland conjecture, are consistent, in principle, with both early and late time cosmological behaviors.Note:
- 11 pages, 1 figure, accepted for publication in Physical Review D
- General relativity, alternative theories of gravity
- symmetry: Noether
- symmetry: duality
- cosmological model: time
- energy: high
- field theory: scalar
- gravitation
- string model: landscape
- Starobinsky model
- expansion: acceleration
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