Problems with Modified Theories of Gravity, as Alternatives to Dark Energy

DOI10.1007/978-1-4939-7708-6_10zbMath1402.83014arXiv0809.5148OpenAlexW2962842345MaRDI QIDQ4557063

Norbert Straumann

Publication date: 29 November 2018

Published in: Einstein Studies (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0809.5148

zbMATH Keywords

\(f(R)\) gravitymodified theories of gravityalternatives to dark energy

Mathematics Subject Classification ID

History of mathematics in the 20th century (01A60) Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.) (83C55) Relativistic gravitational theories other than Einstein's, including asymmetric field theories (83D05) History of relativity and gravitational theory (83-03) Astrophysical cosmology (85A40)

Cites Work

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• Do consistent \(F(R)\) models mimic general relativity plus \(\Lambda\)?
• Ghost conditions for Gauss-Bonnet cosmologies
• <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
• Singularity Problem with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>f</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>R</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math>Models for Dark Energy
• Are<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>f</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>R</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math>Dark Energy Models Cosmologically Viable?
• DYNAMICS OF DARK ENERGY
• Curvature singularities, tidal forces and the viability of Palatini f ( R ) gravity
• Cosmological perturbations in the Palatini formulation of modified gravity
• The Cauchy problem of f ( R ) gravity
• A no-go theorem for polytropic spheres in Palatini f ( R ) gravity
• The Cauchy problem of scalar–tensor theories of gravity
• f ( R ) gravity and scalar–tensor theory

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