Adding Higgs non-minimal coupling ξ modifies the scalaron-Higgs trilinear term, yielding scalaron dark matter masses in 2.7 meV–0.7 MeV (misalignment case) or 3.6 meV–770 meV (interaction-dominated cases) plus an LHC-derived upper bound |ξ m| ≤ 1.5×10^17 GeV.
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Scalaron dark matter dynamics: effects of Higgs non-minimal coupling to gravity
Adding Higgs non-minimal coupling ξ modifies the scalaron-Higgs trilinear term, yielding scalaron dark matter masses in 2.7 meV–0.7 MeV (misalignment case) or 3.6 meV–770 meV (interaction-dominated cases) plus an LHC-derived upper bound |ξ m| ≤ 1.5×10^17 GeV.