A master screening equation is derived for luminal Horndeski gravity that recovers Vainshtein and Chameleon mechanisms and introduces Phaedrus screening with screening radius scaling linearly with source mass.
Novel Probes Project: Tests of gravity on astrophysical scales
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Forecasts show Euclid combined probes can constrain log f_R0 at the 1% level for fiducial f_R0=5e-6, distinguishing from LCDM at >3 sigma in optimistic settings.
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A Master Equation for Screening in Luminal Horndeski Gravity
A master screening equation is derived for luminal Horndeski gravity that recovers Vainshtein and Chameleon mechanisms and introduces Phaedrus screening with screening radius scaling linearly with source mass.
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Euclid: Constraints on f(R) cosmologies from the spectroscopic and photometric primary probes
Forecasts show Euclid combined probes can constrain log f_R0 at the 1% level for fiducial f_R0=5e-6, distinguishing from LCDM at >3 sigma in optimistic settings.