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A model of the Universe including Dark Energy accounted for by both a Quintessence Field and a (negative) Cosmological Constant
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A model of the Universe including Dark Energy accounted for by both a Quintessence Field and a (negative) Cosmological Constant
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In this work we present a model of the universe in which dark energy is modelled explicitely with both a dynamical quintessence field and a cosmological constant. Our results confirm the possibility of a future collapsing universe (for a given region of the parameter space), which is necessary for a consistent formulation of string theory and quantum field theory. We have also reproduced the measurements of modulus distance from supernovae with good accuracy.
Forward citations
Cited by 1 Pith paper
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Avoiding recollapse in an open-AdS universe via a self-tuning-like mechanism
In a power-law Fab-Four model, a scalar field can screen a negative cosmological constant so an open universe expands linearly (a ∝ t) instead of recollapsing, at least for the representative branch shown.
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