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Axions as Quintessence in String Theory
Axions String Theory
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2010/12/24
We construct a model of quintessence in string theory based on the idea of axion monodromy as discussed by McAllister, Silverstein and Westphal arXiv:0808.0706. In the model, the quintessence field is...
Axions and White Dwarfs
Axions White Dwarfs
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2011/1/11
White dwarfs are almost completely degenerate objects that cannot obtain energy from the thermonuclear sources and their evolution is just a gravothermal process of cooling. The simplicity of these ob...
Signatures for Solar Axions/WISPs
Signatures Solar Axions/WISPs
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2010/11/10
Standard solar physics cannot account for the X-ray emission and other puzzles, the most
striking example being the solar corona mystery. The corona temperature rise above the
non-flaring magnetized...
Self-gravitating system made of axions
dark matter Einstein-Klein-Gordon
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2010/3/19
We show that the inclusion of an axion-like effective potential in the construction of a self-gravitating system made of scalar fields leads to a decrease on its compactness when the value of the self...