Thawing vs. Tracker Solutions: A Dynamical Systems Approach

Abstract

A comparative study of thawing and tracking models of dark energy is carried out with the help of a dynamical systems analysis. It is found that both of them have stable solutions which are consistent with the requirement of a dark energy. So none of them is actually favored from the consideration of stability. The trackers have the interesting possibility that the present acceleration is a transient phenomenon.

arXiv comment13 pages, 7 figures

References in corpus (18)

• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
• Measurements of Omega and Lambda from 42 High-Redshift Supernovae
• Planck 2013 results. XVI. Cosmological parameters
• Dynamics of dark energy
• Cosmological Constant - the Weight of the Vacuum
• Quintessence, Cosmic Coincidence, and the Cosmological Constant
• Cosmological Tracking Solutions
• The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Cur vature of the Universe Using Type Ia Supernovae
• New Constraints on ${\Omega }_M$, ${\Omega }_{\Lambda }$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST
• Reconstructing Dark Energy
• Cosmic Concordance and Quintessence
• Planck 2015 results. VIII. High Frequency Instrument data processing: Calibration and maps
• Observational Constraints on Quintessence: Thawing, Tracker, and Scaling models
• Slow-Roll Thawing Quintessence
• The Genesis of Cosmological Tracker Fields
• The thawing dark energy dynamics: Can we detect it?
• Tracking quintessence: a dynamical systems study
• Thawing Versus. Tracker Behaviour: Observational Evidence

Cited by in corpus (3)

• Finite-time Cosmological Singularities and the Possible Fate of the Universe
• Thawing and Freezing Quintessence Models: A thermodynamic Consideration
• One-point probability distribution function from spherical collapse: Early Dark Energy (EDE) vs. $\Lambda$CDM