The SUGRA Quintessence Model Coupled to the MSSM

@article{Martin2006TheSQ,
  title={The SUGRA Quintessence Model Coupled to the MSSM},
  author={Philippe BraxJerome Martin},
  journal={arXiv: Astrophysics},
  year={2006}
}
We study the cosmological evolution of the universe when quintessence is modeled within supergravity, supersymmetry is broken in a hidden sector, and we also include observable matter in a third independent sector. We find that the presence of hidden sector supersymmetry breaking leads to modifications of the quintessence potential. We focus on the coupling of the SUGRA quintessence model to the MSSM and investigate two possibilities. First one can preserve the form of the SUGRA potential… 

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References

SHOWING 1-10 OF 47 REFERENCES

Robustness of quintessence

Recent observations seem to suggest that our Universe is accelerating, implying that it is dominated by a fluid whose equation of state is negative. Quintessence is a possible explanation. In

Exhaustive Study of Cosmic Microwave Background Anisotropies in Quintessential Scenarios

Recent high-precision measurements of the CMB anisotropies performed by the BOOMERanG and MAXIMA-1 experiments provide an unmatched set of data allowing us to probe different cosmological models.

The Cosmon model for an asymptotically vanishing time dependent cosmological 'constant'

We investigate the coupled system of gravity and a scalar with exponential potential. The energy momentum tensor of the scalar field induces a time-dependent cosmological “constant”. This adjusts

Cosmological consequences of a rolling homogeneous scalar field.

  • RatraPeebles
  • Physics
    Physical review. D, Particles and fields
  • 1988
It is argued that a number of models in which the energy density of the scalar field red-shifts in a specific manner are studied could reconcile the low dynamical estimates of the mean mass density with the negligibly small spatial curvature preferred by inflation.

Models with inverse sfermion mass hierarchy and decoupling of the SUSY FCNC effect

We study the decoupling of the first two squark and slepton families in order to lower the flavour changing neutral current effects. Models with inverse sfermion mass hierarchy based upon gauged U(1)

Superacceleration as the signature of a dark sector interaction

We show that an interaction between dark matter and dark energy generically results in an effective dark-energy equation of state of w<-1. This arises because the interaction alters the redshift

Self-tuning flat domain walls in 5D gravity and string theory

We present Poincare-invariant domain wall (''three-brane'') solutions to some five-dimensional effective theories which can arise naturally in string theory. In particular, we find theories where

The fundamental constants and their variation: observational and theoretical status

This article describes the various experimental bounds on the variation of the fundamental constants of nature. After a discussion of the role of fundamental constants, their definition and link with