Plasmon-graviton conversion in a magnetic field in TeV-scale gravity

E.Yu. Melkumova1

Abstract

Kaluza-Klein (KK) graviton emission rates due to plasmon-graviton conversion in a magnetic field are computed within the ADD model of TeV-scale gravity. The plasma is described in the kinetic approach as a system of charged particles and a Maxwell field, both confined on the brane. The interaction with multidimensional gravity living in the bulk with n compact extra dimensions is introduced within a linearized theory. Collective plasma effects enter through a two-point correlation function of fluctuations of the energy-momentum tensor. An estimate for magnetic stars is presented, leading to a lower limit on the D-dimensional Planck mass.

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