Cosmic Braneworld and Ultralight Bosonic Dark Matter

Details Cosmic Braneworld and Ultralight Bosonic Dark Matter Cosmic Braneworld and Ultralight Bosonic Dark Matter

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1318..224r&link_type=abstract

RECENT DEVELOPMENTS IN GRAVITATION AND BEC'S PHENOMENOLOGY: IV Mexican Meeting on Experimental and Theoretical Physics: Symposiu

Mathematics

Functional Analysis

Dark Matter, Universe, Space-Time Configurations, Bose-Einstein Condensation, Functional Analysis, Dark Matter, Particle-Theory And Field-Theory Models Of The Early Universe, Einstein-Maxwell Spacetimes, Spacetimes With Fluids, Radiation Or Classical Fields, Dynamic Properties Of Condensates, Collective And Hydrodynamic Excitations, Superfluid Flow, Functional Analytical Methods

Scientific paper

In this paper we study a gas of ultra light bosons as a candidate for dark matter in a higher dimensional framework. We briefly introduce the formalism of brane theory (BN) and and relevant aspects of ultra light bosonic dark matter (ULBDM) with the aim to combine both ideas in a single model. In this model, we assume two branes (visible and hidden brane) inside of the bulk and study the behavior of ULBDM in the hidden brane for an observer in the visible one. We reformulate the Friedmann equations for our Universe and the Friedmann equation concerning to the hidden brane. Thus, we can stablish the mutual interaction between the branes through the Hubble parameter, which measures the rate of expansion of our Universe. Finllay, we discuss that the hypothesis of ULBDM in the context of the braneworld theory is an interesting idea regarding the nature of dark matter.

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