Light mass Galileon: Phase space analysis and its late time cosmic relevance
Myrzakulov Y. Shahalam M. Myrzakul S. Yerzhanov K.
February 2026Academic Press Inc.
Annals of Physics
2026#485
We investigate the Galileon scalar field model by considering the lowest order Galileon term in the Lagrangian, (∂μϕ)2□ϕ through the introduction of a field potential. We explore the late-time cosmological development of light mass Galileon utilizing two different forms for V(ϕ), specifically the double exponential and Quintessence-Driven Slow-Contraction CDM potentials. We identify the critical points and assess their stability for these models. Our findings indicate that the light mass Galileon with double exponential potential facilitates the attainment of a stable attractor solution, while a stable solution is unattainable in the scenario of light mass Galileon with Quintessence-Driven Slow-Contraction CDM potential. Furthermore, in the former case, we derive a phase portrait in which all trajectories converge towards the stable attractor point.
Dark energy theory , Modified gravity
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Department of General and Theoretical Physics, L. N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Department of Physics, Integral University, Lucknow, 226026, India
Department of General and Theoretical Physics
Department of Physics
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026