Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 79, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-019-7236-z
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Funding
- Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) through FONDECYT Iniciacion [11180126]
- Departmento de Matematica at Universidad Catolica del Norte
- Vicerrectoria de Investigacion y Desarrollo Tecnologico at Universidad Catolica del Norte
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We examine the phase space of Horava-Lifshitz cosmology for a wide range of self-interacting potentials for the scalar field under the detailed-balance condition and without imposing it, by means of the powerful method of f-devisers. A compactification approach is performed for the exponential potential and for potentials beyond the exponential one, extending the previous findings in the literature. By using this approach it is possible to describe the finite region of the phase space and the region where the phase-space variables becomes infinity. Furthermore, we present several results concerning the stability of the de Sitter solution in Horava-Lifshitz cosmology using Center Manifold theory. The advantages of this procedure are unveiled immediately when it is compared with the Normal Forms Calculations presented before in the literature.
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