Exact solutions, finite time singularities and non-singular universe models from a variety of Λ(t) cosmologies

DOI10.1142/S0217732318500037zbMath1378.83104arXiv1712.01215OpenAlexW3099169305MaRDI QIDQ3130395

Supriya Pan

Publication date: 22 January 2018

Published in: Modern Physics Letters A (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1712.01215

zbMATH Keywords

singularitiesnon-singular universedynamical vacuum

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Exact solutions to problems in general relativity and gravitational theory (83C15)

Related Items (3)

Scalar field theory description of the running vacuum model: the vacuumon ⋮ Some cosmological features of 4D Gauss–Bonnet gravity with varying cosmological constant ⋮ Variable \(G\) and \(\Lambda \) gravity theory and analytical cosmological solutions using Noether symmetry approach

Cites Work

• Unnamed Item
• \(f(R)\) theories
• Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
• Modified gravity theories on a nutshell: inflation, bounce and late-time evolution
• Friedmann cosmology with decaying vacuum density
• Nonlinear ordinary differential equations: A discussion on symmetries and singularities
• <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>f</mml:mi><mml:mrow><mml:mo>(</mml:mo><mml:mi>R</mml:mi><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>theories of gravity
• INTRODUCTION TO MODIFIED GRAVITY AND GRAVITATIONAL ALTERNATIVE FOR DARK ENERGY
• The cosmological constant and entropy problems: Mysteries of the present with profound roots in the past
• Gravitational baryogenesis in running vacuum models
• Dark energy: a quantum fossil from the inflationary universe?

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