Derives conditions for viable screened radial solutions in multi-field de Sitter Galileons, showing curvature can mitigate superluminality at the cost of a finite validity range set by the strong-coupling point.
Accurate computation of the screening of scalar fifth forces in galaxies,
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Radial Solutions of Multi-Field de Sitter Galileons
Derives conditions for viable screened radial solutions in multi-field de Sitter Galileons, showing curvature can mitigate superluminality at the cost of a finite validity range set by the strong-coupling point.