Endo -E ‡ Exo , as a function of the cavity polarization direction (ϕ, θ) for a fixed cavity frequency ω c = 1.5 eV and light-matter coupling strength A 0 = 0.3 a.u. This presentation of the data is different than that of Fig. , which depicted only the Endo or Exo barrier height change with respect to outside the cavity, e.g., E ‡