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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Eur+Phys+J+C+Part+Fields 2017 ; 77 (9): ä Nephropedia Template TP
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Constraining f(T) teleparallel gravity by big bang nucleosynthesis: f(T) cosmology and BBN #MMPMID28932169
Capozziello S; Lambiase G; Saridakis EN
Eur Phys J C Part Fields 2017[]; 77 (9): ä PMID28932169show ga
We use Big Bang Nucleosynthesis (BBN) observational data on the primordial abundance of light elements to constrain f(T) gravity. The three most studied viable f(T) models, namely the power law, the exponential and the square-root exponential are considered, and the BBN bounds are adopted in order to extract constraints on their free parameters. For the power-law model, we find that the constraints are in agreement with those obtained using late-time cosmological data. For the exponential and the square-root exponential models, we show that for reliable regions of parameters space they always satisfy the BBN bounds. We conclude that viable f(T) models can successfully satisfy the BBN constraints.