Prediction of R + R2 gravity for the deflection of a photon passing close to the Sun
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The cross-section for the scattering of a photon by the Sun's gravitational field, treated as an external field, is computed in the framework of R + R2 gravity. Using this result, we found that for a photon just grazing the Sun's surface the deflection is 1.75″, which is exactly the same as that given by Einstein's theory. An explanation for this pseudo-paradox is provided.
How to cite this document
Accioly, A. et al. Prediction of R + R2 gravity for the deflection of a photon passing close to the Sun. Nuovo Cimento della Societa Italiana di Fisica B, v. 114, n. 5, p. 595-600, 1999. Available at: <http://hdl.handle.net/11449/224570>.