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arxiv: 1612.08386 · v2 · pith:AFUANECPnew · submitted 2016-12-26 · ✦ hep-th

Cosmological scenarios from multiquintessence

classification ✦ hep-th
keywords bnrtcosmologicalmodelscenariosmodelssine-gordonworkanalyse
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In this work we derive and analyse cosmological scenarios coming from multi-component scalar field models. We consider a direct sum of a sine-Gordon with a Z2 model, and also a combination of those with a BNRT model. Moreover, we work with a modified version of the BNRT model, which breaks the Z2 x Z2 symmetry of the original BNRT potential, coupled with the sine-Gordon and with the standard Z2 models. We show that our approach can be straightforwardly elevated to $N$ fields. All the computations are made analytically and some parameters restriction is put forward in order to get in touch with complete and realistic cosmological scenarios.

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