2 edition of **Braneworld effects on cosmological dynamics** found in the catalog.

Braneworld effects on cosmological dynamics

Burin Gumjudpai

- 340 Want to read
- 35 Currently reading

Published
**2003**
by University of Portsmouth, Institute of Cosmology and Gravitation in Portsmouth
.

Written in English

**Edition Notes**

Thesis (Ph.D.) - University of Portsmouth, 2003.

Statement | Burin Gumjudpai. |

ID Numbers | |
---|---|

Open Library | OL20418996M |

We review recent developments and results in testing general relativity (GR) at cosmological scales. The subject has witnessed rapid growth during the last two decades with the aim of addressing the question of cosmic acceleration and the dark energy associated with by: This site uses cookies. By continuing to use this site you agree to our use of cookies. To find out more, see our Privacy and Cookies policy.

Units and Reality. Authors: Helmut Söllinger Comments: 21 Pages. An English version of this paper will be provided. By this paper the author shows, that the transformation of the fundamental physical constants c, G, h, e und kc into systems of units, which differ fundamentally from the International System of Units (SI), is a powerful tool to free the numeric values of the constants from. The book is intended as a graduate textbook but more likely it will be used mainly in other contexts: by theoretical researchers, as an indispensable reference on the dynamics of gravitational N-body systems; by observational astronomers, as a readable summary of the theory of star cluster evolution; and by physicists seeking a well-written and.

Providing a thorough introduction to this exciting field, the textbook covers the cosmological constant, quintessence, k-essence, perfect fluid models, extra-dimensional models, and modified gravity. Observational research is reviewed, from the cosmic microwave background to baryon acoustic oscillations, weak lensing and cluster abundances. : Solutions Manual - Introduction to Physics in Modern Medicine, Second Edition () by Kane,Suzanne Amador and a great selection of similar New, Used and Collectible Books available now at great : Paperback.

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In this paper we deal with the cosmological dynamics of Randall-Sundrum brane-world type scenarios in which the five-dimensional Weyl tensor has a non-vanishing projection onto the three-brane.

Summary and conclusion. This work has been devoted to an extension of the idea of mimetic gravity to braneworld scenario. In the original mimetic matter scenario, Chamseddine and Mukhanov have formulated 4D Einstein's theory of gravity by isolating the conformal degree of freedom in a covariant have introduced a physical metric defined in terms of an auxiliary metric and a Cited by: In the next step we focus brieﬂy o n the cosmological dynamics of a bulk scalar ﬁeld in the RS II braneworld scenario (see Refs.

[48, 49, 66] for details) to see the relation b etween bulk. If the address matches an existing account you will receive an email with instructions to reset your password. Title: Dynamics of Brane-World Cosmological Models. Authors: A.

Coley (Submitted on 4 Octlast revised 25 Apr (this version, v2)) Abstract: We show that generically the initial singularity is isotropic in spatially homogeneous cosmological models in the brane-world scenario.

We then argue that it is plausible that the initial Cited by: @article{osti_, title = {Cosmological tachyon condensation}, author = {Bilic, Neven and Tupper, Gary B and Viollier, Raoul D and Centre of Theoretical Physics and Astrophysics, University of Cape Town, Rondebosch }, abstractNote = {We consider the prospects for Braneworld effects on cosmological dynamics book matter/energy unification in k-essence type cosmologies.

General mappings are established between the k-essence. @article{osti_, title = {Simple coupling with cosmological implications. The initial singularity and the inflationary universe}, author = {Saez, D}, abstractNote = {In this work the metric is coupled with a scalar field phi in a simple way.

Although this coupling becomes problematic because the energy density of phi appears to be unbounded from below, it is displayed as a very simple. The explicit forms of the warp factor and the scalar field are given by () f (σ) = − a 1 k e − k | σ |, () T (σ) = 2 k a 1 e k 2 | σ |, for the entire domain of the extra dimension, − ∞ Cited by: The framework Keeton and Petters developed predicts certain cosmological effects that, if observed, should help scientists validate the braneworld theory.

is. Observational Parameters in a Braneworld Inlationary Scenario 1. OBSERVATIONAL PARAMETERS IN A BRANEWORLD INFLATIONARY SCENARIO MILAN MILOŠEVIĆ Department of Physics Faculty of Sciences and Mathematics University of Niš, Serbia Ruđer Bošković Institute, Zagreb, Croatia, 2 November In collaboration with N.

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String theory is a broad and varied subject that attempts to address a number of deep questions of fundamental physics. String theory has been applied to a variety of problems in black hole physics, early universe cosmology, nuclear physics, and condensed matter physics, and it has stimulated a number of major developments in pure mathematics.

We review recent developments and results in testing general relativity (GR) at cosmological scales. The subject has witnessed rapid growth during the last two decades with the aim of addressing the question of cosmic acceleration and the dark energy associated with it.

However, with the advent of precision cosmology, it has also become a well-motivated endeavor by itself to test Cited by: We review some general aspects of braneworld cosmologies in which an inflationary period driven by a scalar field confined on the brane is described by a nonstandard effective Friedmann equation.

The perturbation spectra, consistency equations and observational consequences of Author: Gianluca Calcagni. The inflationary dynamics is described by a tower of flow parameters that can be evolved in time to select a particular subset of points in the space of cosmological observables. We analyze the stability of the fixed points in all the cosmologies (our results in the 4D case already extending those in the literature).

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ESDD72 new original goods. Einstein equations for an asymmetric brane world – Battye, Richard A. Wmap constraints on varying alpha and the promise of reionization – Martins, C.

Correlation functions, peculiar velocities and the matter density of the universe – Hawkins, Ed et al. General brane cosmologies and their global space-time structure – Bowcock, Peter et al.

In physics, black hole thermodynamics is the area of study that seeks to reconcile the laws of thermodynamics with the existence of black-hole event the study of the statistical mechanics of black-body radiation led to the advent of the theory of quantum mechanics, the effort to understand the statistical mechanics of black holes has had a deep impact upon the understanding of.

Braneworld challenges Einstein’s general relativity. The framework Keeton and Petters developed predicts certain cosmological effects that, if observed, should help scientists validate the.You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.

Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them.We explore the dynamics and evolution of the Universe at early and late times, focusing on both dark energy and extended gravity models and their astrophysical and cosmological consequences.

Modified theories of gravity not only provide an alternative explanation for the recent expansion history of the universe, but they also offer a paradigm fundamentally distinct from the simplest dark Cited by: