4D Gravity on a Brane in 5D Minkowski Space
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In this article, the authors propose a mechanism by which four-dimensional Newtonian gravity emerges on a 3-brane in 5D Minkowski space with an infinite size extra dimension.About:
This article is published in Physics Letters B.The article was published on 2000-07-13 and is currently open access. It has received 3247 citations till now. The article focuses on the topics: Minkowski space & Five-dimensional space.read more
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Dynamics of dark energy
TL;DR: In this article, the authors review the observational evidence for the current accelerated expansion of the universe and present a number of dark energy models in addition to the conventional cosmological constant, paying particular attention to scalar field models such as quintessence, K-essence and tachyon.
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Five-year wilkinson microwave anisotropy probe observations: cosmological interpretation
Eiichiro Komatsu,Jo Dunkley,Jo Dunkley,M. R. Nolta,Charles L. Bennett,B. Gold,Gary Hinshaw,N. Jarosik,Davin Larson,Michele Limon,Lyman A. Page,David N. Spergel,Mark Halpern,Robert S. Hill,Alan J. Kogut,S. S. Meyer,Gregory S. Tucker,Janet Weiland,Edward J. Wollack,Edward L. Wright +19 more
TL;DR: In this article, the Wilkinson Microwave Anisotropy Probe (WMAP) 5-year data were used to constrain the physics of cosmic inflation via Gaussianity, adiabaticity, the power spectrum of primordial fluctuations, gravitational waves, and spatial curvature.
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f ( R ) theories of gravity
TL;DR: In this article, the authors present a review of the most important aspects of the different classes of modified gravity theories, including higher-order curvature invariants and metric affine.
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Modified Gravity and Cosmology
TL;DR: A comprehensive survey of recent work on modified theories of gravity and their cosmological consequences can be found in this article, where the authors provide a reference tool for researchers and students in cosmology and gravitational physics, as well as a selfcontained, comprehensive and up-to-date introduction to the subject as a whole.
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f(R) theories
TL;DR: Various applications of f(R) theories to cosmology and gravity — such as inflation, dark energy, local gravity constraints, cosmological perturbations, and spherically symmetric solutions in weak and strong gravitational backgrounds are reviewed.
References
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New dimensions at a millimeter to a Fermi and superstrings at a TeV
TL;DR: In this article, a new framework for solving the hierarchy problem has been proposed which does not rely on low energy supersymmetry or technicolor, and this framework can be embedded in string theory.
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Massive and mass-less Yang-Mills and gravitational fields
H. van Dam,M.J.G. Veltman +1 more
TL;DR: In this paper, a comparison of massive and mass-less theories with experiment, in particular the perihelion movement of Mercury, leads to the exclusion of the massive theory and it is concluded that the graviton mass must be rigorously zero.
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Dynamical compactification as a mechanism of spontaneous supersymmetry breaking
Gia Dvali,Mikhail A. Shifman +1 more
TL;DR: In this paper, it was shown that production of superpartners at the energy scale of SUSY restoration will be accompanied by four-momentum nonconservation, and that the door to extra dimensions may be not very far from the energies accessible at present colliders.
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Calculation of Newton's Gravitational Constant in Infrared-Stable Yang-Mills Theories
TL;DR: Newton's gravitational constant was calculated in a class of scale-invariant gauge theories with an infrared fixed point as mentioned in this paper, where the sign of Newton's constant depends on the coefficients in the renormalization-group $\ensuremath{\beta}$ function.
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