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Millicharged Dark Matter in Quantum Gravity and String Theory
- Source :
- Physical Review Letters. 110
- Publication Year :
- 2013
- Publisher :
- American Physical Society (APS), 2013.
-
Abstract
- We examine the milli-charged dark matter scenario from a string theory perspective. In this scenario, kinetic and mass mixings of the photon with extra U(1) bosons are claimed to give rise to small electric charges, carried by dark matter particles, whose values are determined by continuous parameters of the theory. This seems to contradict folk theorems of quantum gravity that forbid the existence of irrational charges in theories with a single massless gauge field. By considering the underlying structure of the U(1) mass matrix that appears in type II string compactifications, we show that milli-charges arise exclusively through kinetic mixing, and require the existence of at least two exactly massless gauge bosons.<br />4 pages
- Subjects :
- High Energy Physics - Theory
Physics
Particle physics
Physics beyond the Standard Model
Graviton
FOS: Physical sciences
General Physics and Astronomy
String field theory
Fundamental interaction
String (physics)
High Energy Physics - Phenomenology
High Energy Physics::Theory
Non-critical string theory
Theoretical physics
High Energy Physics - Phenomenology (hep-ph)
High Energy Physics - Theory (hep-th)
Quantum gravity
Dark fluid
Subjects
Details
- ISSN :
- 10797114 and 00319007
- Volume :
- 110
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi.dedup.....d960e296af603bc22c58aba83b4dab7b
- Full Text :
- https://doi.org/10.1103/physrevlett.110.241304