期刊
PHYSICS LETTERS B
卷 634, 期 2-3, 页码 93-100出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2006.01.065
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资金
- ICREA Funding Source: Custom
Dark energy dynamics of the universe can be achieved by equivalent mathematical descriptions taking into account generalized fluid equations of state in General Relativity, scalar-tensor theories or modified F(R) gravity in Einstein or Jordan frames. The corresponding technique transforming equation of state description to scalar-tensor or modified gravity is explicitly presented. We show that such equivalent pictures can be discriminated by matching solutions with data capable of selecting the true physical frame. (c) 2006 Elsevier B.V. All rights reserved.
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