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Extended complex scalar field as a quintessence. (English) Zbl 1057.83026

Summary: We show the possibility that an extended complex scalar field can be considered as an extended complex quintessence model. For this model, we derive the basic equations with a parameter \(\eta\) which govern the evolution of the Universe. Our model may contain a complex quintessence model for \(\eta=-1\) and a real quitessence model for \(\eta=0\).

MSC:

83F05 Relativistic cosmology
83C55 Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.)
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