Simulations of Dark Energy Cosmologies

Simulations of Dark Energy Cosmologies PDF Author: Elise Jennings
Publisher: Springer Science & Business Media
ISBN: 3642293395
Category : Science
Languages : en
Pages : 117

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Book Description
A major outstanding problem in physics is understanding the nature of the dark energy that is driving the accelerating expansion of the Universe. This thesis makes a significant contribution by demonstrating, for the first time, using state-of-the-art computer simulations, that the interpretation of future galaxy survey measurements is far more subtle than is widely assumed, and that a major revision to our models of these effects is urgently needed. The work contained in the thesis was used by the WiggleZ dark energy survey to measure the growth rate of cosmic structure in 2011 and had a direct impact on the design of the surveys to be conducted by the European Space Agency's Euclid mission, a 650 million euro project to measure dark energy.

Simulations of Dark Energy Cosmologies

Simulations of Dark Energy Cosmologies PDF Author: Elise Jennings
Publisher: Springer Science & Business Media
ISBN: 3642293395
Category : Science
Languages : en
Pages : 117

Get Book Here

Book Description
A major outstanding problem in physics is understanding the nature of the dark energy that is driving the accelerating expansion of the Universe. This thesis makes a significant contribution by demonstrating, for the first time, using state-of-the-art computer simulations, that the interpretation of future galaxy survey measurements is far more subtle than is widely assumed, and that a major revision to our models of these effects is urgently needed. The work contained in the thesis was used by the WiggleZ dark energy survey to measure the growth rate of cosmic structure in 2011 and had a direct impact on the design of the surveys to be conducted by the European Space Agency's Euclid mission, a 650 million euro project to measure dark energy.

Simulating Large-Scale Structure for Models of Cosmic Acceleration

Simulating Large-Scale Structure for Models of Cosmic Acceleration PDF Author: Baojiu Li
Publisher:
ISBN: 9780750319324
Category :
Languages : en
Pages : 198

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Book Description


Dark Energy

Dark Energy PDF Author: Luca Amendola
Publisher: Cambridge University Press
ISBN: 0521516005
Category : Science
Languages : en
Pages : 507

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Book Description
Introducing the theoretical ideas, observational methods and results in dark energy, this textbook is a thorough introduction to dark energy for graduate courses.

Paths to Dark Energy

Paths to Dark Energy PDF Author: Gene Byrd
Publisher: Walter de Gruyter
ISBN: 3110258781
Category : Science
Languages : en
Pages : 416

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Book Description
This work provides the current theory and observations behind the cosmological phenomenon of dark energy. The approach is comprehensive with rigorous mathematical theory and relevant astronomical observations discussed in context. The book treats the background and history starting with the new-found importance of Einstein’s cosmological constant (proposed long ago) in dark energy formulation, as well as the frontiers of dark energy. The authors do not presuppose advanced knowledge of astronomy, and basic mathematical concepts used in modern cosmology are presented in a simple, but rigorous way. All this makes the book useful for both astronomers and physicists, and also for university students of physical sciences.

Modified Gravity: Progresses And Outlook Of Theories, Numerical Techniques And Observational Tests

Modified Gravity: Progresses And Outlook Of Theories, Numerical Techniques And Observational Tests PDF Author: Baojiu Li
Publisher: World Scientific
ISBN: 9813274018
Category : Science
Languages : en
Pages : 324

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Book Description
Modified gravity theories have been a main focus of theoretical cosmology research in the past decade or so, and have been quickly developing into a mature research field that attracts attention, interest and effort from both theoretical and observational cosmologists. To be prepared for fully exploiting the future observational data, and to provide a guidance for people who are new to this field, it is useful to have a comprehensive review to summarise the current state of knowledge and to foresee the future developments.This book presents expert reviews on different topics in the field, which are then coordinated and organised in a self-consistent and self-contained manner. It is suitable for graduate students and researchers interested in the frontier research of gravity theories.

Dark Energy and the Formation of the Large Scale Structure of the Universe

Dark Energy and the Formation of the Large Scale Structure of the Universe PDF Author: Jérôme Gleyzes
Publisher: Springer
ISBN: 3319412108
Category : Science
Languages : en
Pages : 124

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Book Description
This thesis presents several significant new results that shed light on two major puzzles of modern cosmology: the nature of inflation, the very early phase of the universe that is thought to have given rise to the large-scale structures that we observe today; and that of the current accelerated expansion. In particular, it develops a clean method for characterizing linear cosmological perturbations for general theories where gravity is modified and/or affected by a new component, called dark energy, responsible for the accelerated expansion. It proposes a new extension to what were long thought to be the most general scalar field theories devoid of instabilities, and demonstrates the robustness of the relation between the energy scale of inflation and the predicted amplitude of gravitational waves. Finally, it consolidates a set of consistency relations between correlation functions of the cosmological density field and investigates the phenomenological consequences of their potential violation. Presented in a clear, succinct and rigorous style, each of these original results is both profound and important and will leave a deep mark on the field.

Dark Matter In Astroparticle And Particle Physics - Proceedings Of The 6th International Heidelberg Conference

Dark Matter In Astroparticle And Particle Physics - Proceedings Of The 6th International Heidelberg Conference PDF Author: Hans Volker Klapdor-kleingrothaus
Publisher: World Scientific
ISBN: 9814471178
Category : Science
Languages : en
Pages : 654

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Book Description
Dark matter remains one of the central mysteries in modern physics, although modern astronomical observations and particle physics experiments are providing vital clues in uncovering its true nature. The Dark2007 Conference brought together world-leading researchers in both astrophysics and particle physics, providing them with an opportunity to present their latest results and engage in discussion on their meaning and future direction. This book is important in its field, as it provides a vital snapshot of the seemingly disparate areas of dark matter research and provides an overview of current ideas and future directions.

Impact of Gravitational Lensing on Cosmology (IAU S225)

Impact of Gravitational Lensing on Cosmology (IAU S225) PDF Author: International Astronomical Union. Symposium
Publisher: Cambridge University Press
ISBN: 9780521851961
Category : Science
Languages : en
Pages : 478

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Book Description
This book contains the proceedings of the International Astronomical Union Symposium no. 225, held in July 2004 at the Ecole Polytechnique Federale de Lausanne (EPFL), in Lausanne, Switzerland. The meeting focused on the applications of gravitational lensing to cosmological physics, and this book summarizes the most recent theoretical and observational developments. With chapters written by leading scientists in the field, this is a valuable resource for professional astronomers and graduate students in astronomy, physics and astro-particle physics.

Issues in Astronomy and Astrophysics: 2011 Edition

Issues in Astronomy and Astrophysics: 2011 Edition PDF Author:
Publisher: ScholarlyEditions
ISBN: 146496369X
Category : Science
Languages : en
Pages : 2981

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Book Description
Issues in Astronomy and Astrophysics / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Astronomy and Astrophysics. The editors have built Issues in Astronomy and Astrophysics: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Astronomy and Astrophysics in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Astronomy and Astrophysics: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Extensions of f(R) Gravity

Extensions of f(R) Gravity PDF Author: Tiberiu Harko
Publisher: Cambridge University Press
ISBN: 1108428746
Category : Science
Languages : en
Pages : 475

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Book Description
Presents a detailed analysis of modified theories of gravity, discussing their development, cosmological and astrophysical implications and outstanding challenges.