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2009

Quantum vacuum effects as generalized f(R) gravity. Application to stars

Santos, Emilio

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It is assumed that, for weak spacetime curvature, the main gravitational effect of the quantum vacuum stress-energy corresponds to adding two terms to the Einstein-Hilbert action, proportional to the square of the curvature scalar and to the contraction of two Ricci tensors, respectively.

It is shown that compatibility with terrestrial and solar systems observaction implies that the square roorts of the coefficients of these terms should be either a few millimeters or a few hundred meters.
It is shown that the vacuum contribution increase the stability of white dwarfs.

Quantum vacuum effects as generalized f(R) gravity. Application to stars · Around

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S. M. Carroll, and M. Turner, ArXiv: astro-ph/0410031

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