Einstein static universe from GUP

2017/01/31 by K. Atazadeh, F. Darabi · 25 citations
Physics and Astronomy · #Big Bang (financial markets) #Big Rip #Black Holes and Theoretical Physics #Classical mechanics #Cosmology #Cosmology and Gravitation Theories #Dark energy #De Sitter universe #Economics #Einstein #Flatness problem #Friedmann–Lemaître–Robertson–Walker metric #Isotropy #Metric expansion of space #Noncommutative and Quantum Gravity Theories #Particle horizon #Perfect fluid #Physics #Quantum mechanics #Scale factor (cosmology) #Steady State theory #Theoretical physics #Universe #gr-qc #hep-th

paper · pdf · doi:10.1016/j.dark.2017.04.008

published in Physics of the Dark Universe 16, 87-93 (Elsevier BV) · 10 pages, 3 figures, 5 tables, references added, some corrections added

openalex publication_date 2017/04/28 · arxiv created 2017/05/23 · arxiv updated 2017/05/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We consider the existence and stability of the Einstein static universe under the Generalized Uncertainty Principle (GUP) effects. We show that this solution in the presence of perfect fluid with a minimal length is cyclically stable around a center equilibrium point. By taking linear homogeneous perturbations, we find that the scale factor of Einstein static universe for closed deformed isotropic and homogeneous FLRW universe depends on the GUP coupling parameter α. Thus, in the model by GUP effects, our universe can stay at the Einstein static state past-eternally, which means that the big bang singularity might be resolved successfully by an emergent scenario.

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