Planck and low-redshift data constrain the Stern-Xu Regge-Teitelboim extra acceleration component to Ω_RT < 0.006 at 95% confidence, making the model observationally indistinguishable from ΛCDM.
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Updated constraints on Regge-Teitelboim gravity
Planck and low-redshift data constrain the Stern-Xu Regge-Teitelboim extra acceleration component to Ω_RT < 0.006 at 95% confidence, making the model observationally indistinguishable from ΛCDM.