Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-12-26
Phys.Lett. B529 (2002) 132-142
Physics
High Energy Physics
High Energy Physics - Theory
16 page latex file with two figures
Scientific paper
10.1016/S0370-2693(02)01246-7
We use effective field theory techniques to examine the quantum corrections to the gravitational metrics of charged particles, with and without spin. In momentum space the masslessness of the photon implies the presence of nonanalytic pieces $\sim \sqrt{-q^2},q^2\log -q^2$ etc. in the form factors of the energy-momentum tensor. We show how the former reproduces the classical non-linear terms of the Reissner-Nordstr\"{o}m and Kerr-Newman metrics while the latter can be interpreted as quantum corrections to these metrics, of order $G\alpha\hbar/mr^3$
Donoghue John F.
Garbrecht Björn
Holstein Barry R.
Konstandin Thomas
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