reconstruction of the f(T) or f(Q) action with coincident gauge (IMAGE)
Caption
The reconstructed F(X), where F(X)=f(X)-X, X represents T or Q, and with X0 the current value. The black curve denotes the mean value, while the light blue shaded zones indicate the allowed regions at 1σ confidence level. For f(Q) gravity within coincident gauge, in the FLRW metric at the background level, the corresponding expressions can be obtained from the one of f(T) gravity, with the replacement T à Q.
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