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Growth factor in $f(T)$ gravity | | Rui Zheng
; Qing-Guo Huang
; | | Date: |
18 Oct 2010 | | Abstract: | We derive the evolution equation of growth factor for the matter over-dense
perturbation in $f(T)$ gravity. For instance, we investigate its behavior in
power law model at small redshift and compare it to the prediction of
$Lambda$CDM and dark energy with the same equations of state in the framework
of Einstein general relativity. We find that the perturbation in $f(T)$ gravity
grows slower than that in Einstein general relativity if $p f/p T>0$ due to
the effectively weaken gravity. | | Source: | arXiv, 1010.3512 | | Services: | Forum | Review | PDF | Favorites | |
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