The authors constrain power-law f(T) teleparallel gravity models via logarithmic and log-periodic deceleration parameter ansatzes fitted to cosmic chronometer and Pantheon datasets, finding departure from ΛCDM.
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Three H(z) parametrizations in f(R, L_m) = R/2 + L_m^λ gravity are constrained via chi-squared minimization on CC and CC+Pantheon data, with derived quantities for deceleration, EoS, energy conditions, statefinders, and thermodynamics shown to be consistent with observations.
citing papers explorer
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Probing cosmic dynamics in $f(T)$ teleparallel gravity: Constraints from logarithmic and log-periodic deceleration ansatzes
The authors constrain power-law f(T) teleparallel gravity models via logarithmic and log-periodic deceleration parameter ansatzes fitted to cosmic chronometer and Pantheon datasets, finding departure from ΛCDM.
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Reconstructing the cosmic expansion in $f(R, L_{m})$ gravity via parametrized Hubble function constraints
Three H(z) parametrizations in f(R, L_m) = R/2 + L_m^λ gravity are constrained via chi-squared minimization on CC and CC+Pantheon data, with derived quantities for deceleration, EoS, energy conditions, statefinders, and thermodynamics shown to be consistent with observations.