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Theories of scalars and gravity, with non-minimal interactions, $\sim (M_P^2 +F(\phi) )R +L(\phi)$, have graviton exchange induced contact terms.
For a recent review, see: C. Wetterich, “Quantum scale symmetry,” [arXiv:1901.04741 [hep-th]]
1901
Earlier work this paper cites.
Hermann Weyl, Raum, Zeit, Materie (Space, Time, Matter), “Lectures on General Relativity,” (in German) Berlin, Springer (1921)
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C. G. Callan, Jr., S. R. Coleman and R. Jackiw, Annals Phys. 59
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R. Jackiw, Phys. Rev. D 9
1974
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M. A. Shifman, A. I. Vainshtein and V. I. Zakharov, Nucl. Phys. B 120
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J. R. Ellis, M. K. Gaillard, D. V. Nanopoulos and S. Rudaz, Nucl. Phys. B 131
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W. S. Deans and J. A. Dixon, Phys. Rev. D 18
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See, e.g., M. J. Duff and P. van Nieuwenhuizen, Phys. Lett. B 94
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Cited alongside, same era.
A partial list of relevant papers: C. Wetterich, Nucl. Phys. B 302
2016
Later among the works it cites.
2016
Later among the works it cites.
P. G. Ferreira, C. T. Hill and G. G. Ross, Phys. Rev. D 95
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P. G. Ferreira, C. T. Hill and G. G. Ross, Phys. Rev. D 98
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Later among the works it cites.
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