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We propose a model for the dust matter in the cosmological context. The modelcontains a scalar field with a kinetic term nonminimally coupled to gravity. Byinvestigating the background and perturbative equations, it is demonstratedthat the scalar field has the same dynamics as the dust matter. We have alsoconsidered the cosmological constant in the model. It turns out that the modelhas not exotic behavior. Thus, a universe including the scalar field and thecosmological constant evolves just as our Universe. Moreover, we have added thequadratic term in the action. It is shown that the quadratic term can be ruledout by its consequences.

Curiosity about the dust matter in the cosmological context