K-essence and extended tachyons in brane-worlds
We study a k-essence field evolving linearly with the cosmic time and the atypical k-essence model on a homogeneous and isotropic flat 3-brane. We show that the k-field is driven by an inverse quadratic polynomial potential. The solutions represent expanding, contracting or bouncing universes with a...
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Autores principales: | Chimento, L.P., Richarte, M.G. |
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Formato: | Documento de conferencia publishedVersion |
Lenguaje: | Inglés |
Publicado: |
2010
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Materias: | |
Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_17426588_v229_n_p_Chimento |
Aporte de: |
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