Magnetically amplified light-shining-through-walls via virtual minicharged particles
arXiv:1203.4986 · doi:10.1103/PhysRevD.87.025022
Abstract
We show that magnetic fields have the potential to significantly enhance a recently proposed light-shining-through-walls scenario in quantum-field theories with photons coupling to minicharged particles. Suggesting a dedicated laboratory experiment, we demonstrate that this particular tunneling scenario could provide access to a parameter regime competitive with the currently best direct laboratory limits on minicharged fermions below the regime. With present day technology, such an experiment has the potential to even overcome the best model-independent cosmological bounds on minicharged fermions with masses below .
21 pages, 7 figures; some clarifications added, matches journal version
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