Light deflection and quadratic gravity
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Data
2000-12-01
Autores
Accioly, A. [UNESP]
Mukai, H.
Blas, H. [UNESP]
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We study the bending of light caused by a static gravitational field generated by a localized material source in the context of quadratic gravity. Our calculation shows that for light rays passing close to the Sun the deflection $ lies in the interval 0 < φ < 1.75″. A tree-level approach to the same issue tells us that the vacuum concerning quadratic gravity is a dispersive medium. Now φ is energy dependent and ranges from 0- to 1.75- arcsec.
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Nuovo Cimento della Societa Italiana di Fisica B, v. 115, n. 10, p. 1235-1239, 2000.