Dynamical system analysis in descending dark energy model
Shahalam M. Ayoub S. Avlani P. Myrzakulov R.
2025World Scientific
International Journal of Geometric Methods in Modern Physics
2025
In this paper, we study the dynamical system analysis for a recently proposed decaying dark energy model, namely, Quintessence-Driven Slow-Contraction CDM. First, we investigate the stationary points to find the stable attractor solution under the conditions discussed recently in the literature. In this case, we do not find any stable attractor solution. Therefore, we avoid the parameter space of the Q-SC-CDM model discussed previously. Second, we make another choice for the model parameters and re-investigate the stationary points and their stability. Our analysis shows that a simple choice of model parameters allows one to capture a stable attractor solution. Moreover, we obtain a phase portrait where all trajectories move towards the stable attractor point.
Dark energy , dynamical system analysis , quintessence
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Department of Physics, Integral University, Lucknow, 226026, India
Department of General & Theoretical Physics, Ratbay Myrzakulov Eurasian International Centre for Theoretical Physics, Eurasian National University, Nur Sultan, 010008, Kazakhstan
School of Physical Sciences, Indian Institute of Technology, Mandi, 175005, India
Department of Physics, National Institute of Technology, Silchar, 788010, India
Department of Physics
Department of General & Theoretical Physics
School of Physical Sciences
Department of Physics
10 лет помогаем публиковать статьи Международный издатель
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