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Nonlocal teleparallel cosmology
Sebastian Bahamonde1, Salvatore Capozziello2,3,4, Mir Faizal5,6
1Department of Mathematics, University College London, Gower Street, London, WC1E 6BT UK.
The European Physical Journal. C, Particles and Fields
|October 10, 2017
Summary
Nonlocal teleparallel gravity aligns with current cosmological data, similar to nonlocal general relativity. Future quantum gravity experiments may distinguish between these gravitational theories.
Area of Science:
- Theoretical physics
- Cosmology
- Quantum gravity
Background:
- General relativity and teleparallel gravity are currently indistinguishable via classical experiments.
- Quantum gravitational effects may offer a means to differentiate between these theories.
- Nonlocal deformations are being explored in both general relativity and teleparallel gravity.
Purpose of the Study:
- To investigate nonlocal deformations of teleparallel gravity.
- To analyze the cosmological solutions arising from nonlocal teleparallel gravity.
- To assess the consistency of nonlocal teleparallel gravity with existing cosmological observations.
Main Methods:
- Studying nonlocal deformations of teleparallel gravity.
- Analyzing cosmological solutions within this framework.
- Comparing theoretical predictions with observational data (SNe Ia, BAO, CC, [Formula: see text]).
Main Results:
- Nonlocal teleparallel gravity is consistent with current cosmological data.
- This consistency mirrors that of nonlocal general relativity.
- The study provides a theoretical basis for future experimental discrimination.
Conclusions:
- Nonlocal teleparallel gravity offers a viable alternative to general relativity.
- Future experiments probing nonlocal effects are crucial for determining the correct gravitational theory.
- Distinguishing between general relativity and teleparallel gravity may be possible through quantum gravitational phenomena.
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