Composite Dark Matter with Invisible Light from Almost-Commutative Geometry
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Almost commutative geometry offers a specific way to unify general relativity, quantum mechanics and gauge symmetries. The AC-model of elementary particles, arising on this way, naturally embeds the Standard model and predicts doubly charged AC-leptons, anion-like A^{--} and cathion-like C^{++}, which can bind in WIMP-like (AC)-atoms, being a nontrivial candidate for cosmological dark matter. This state is reached in the early Universe along a tail of more manifest secondary frozen blocks. They should be now here polluting the surrounding matter. The main secondary relics are C^{++} "anomalous helium" and a bound system of A^{--} with an ordinary helium ion (^4He)^{++}, which is able to attract and capture (in thefirst three minutes) all the free A^{--} fixing them into a neutral OLe-helium (OHe) nuclear interacting "atom" (^4He^{++}A^{--}). The model naturally involves a new U(1) gauge interaction, possessed only by the AC-leptons and providing a Coulomb-like attraction between them. This attraction stimulates the effective A-C recombination into AC-atoms inside dense matter bodies (stars and planets), resulting in a decrease of anomalous isotopes below the experimental upper limits. OLe-helium pollution of terrestrial matter and (OHe) catalysis of nuclear reactions in it is one of the exciting problems (or advantages?) of the present model.
This paper has been merged with [astro-ph/0511789] for publication in Class. Quantum Grav. 23 (2006) 7305-7354
This paper has been merged with [astro-ph/0511789] for publication in Class. Quantum Grav. 23 (2006) 7305-7354