Quasi-magnetism of sterile dark matter with photonic portal

Details Quasi-magnetism of sterile dark matter with photonic portal Quasi-magnetism of sterile dark matter with photonic portal

2008-05-06

arxiv.org/abs/0805.0675v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages

Scientific paper

We develop farther a simple model of cold dark matter consisting of sterile spin-1/2 fermions (sterinos), whose mass is generated by a nonzero vacuum expectation value of a field of sterile scalars (sterons). In this model, the sterile world of sterinos and sterons is conjectured to communicate with the familiar Standard Model world not only through gravity, but also through a photonic portal provided by a very weak effective interaction of the electromagnetic field with sterino and steron fields. Then, an extra, finite renormalization leading from the primary bare electric charge to a new bare electric charge appears spontaneously. Due to the photonic portal, the cold dark matter consisting of sterinos displays a phenomenon of quasi-magnetism, what means that it can interact effectively with cosmic (and laboratory) magnetic fields.

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