The Primordial Density Perturbation

The origin and evolution of the primordial perturbation is key to understanding structure formation in the earliest stages of the Universe.

The Primordial Density Perturbation

The Primordial Density Perturbation

The origin and evolution of the primordial perturbation is key to understanding structure formation in the earliest stages of the Universe. Giving a thorough account of theoretical cosmology and perturbations in the early Universe, this graduate-level textbook describes their observational consequences and how such observations relate to primordial physical processes.

Introduction To The Theory Of The Early Universe Cosmological Perturbations And Inflationary Theory

A. R. Liddle, D. H. Lyth, The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure, Cambridge University Press, 2009. A. E. Reviews If necessary, relevant Sections are indicated in parenthesis.

Introduction To The Theory Of The Early Universe  Cosmological Perturbations And Inflationary Theory

Introduction To The Theory Of The Early Universe Cosmological Perturbations And Inflationary Theory

This book accompanies another book by the same authors, and presents the theory of the evolution of density perturbations and relic gravity waves, theory of cosmological inflation and post-inflationary reheating. Written in a pedagogical style, the main chapters give a detailed account of the established theory, with derivation of formulas. Being self-contained, it is a useful textbook for advanced undergraduate students and graduate students. Essential materials from General Relativity, theory of Gaussian random fields and quantum field theory are collected in the appendices. The more advanced topics are approached similarly in a pedagogical way. These parts may serve as a detailed introduction to current research.

General Relativity and Gravitation

As discussed by Sasaki later in this chapter, models of cosmological inflation in the very early universe offer an explanation for the origin of the primordial density perturbation, arising from initial quantum fluctuations on ...

General Relativity and Gravitation

General Relativity and Gravitation

Explore spectacular advances in contemporary physics with this unique celebration of the centennial of Einstein's discovery of general relativity.

The History of the Universe

the world is practically the same, as if the newborn Universe was polished with an incredible accuracy before the Big Bang ... Two of such books, Cosmological Inflation and Large-Scale Structure and The Primordial Density Perturbation: ...

The History of the Universe

The History of the Universe

This book gives an accessible account of the history of the Universe; not only what happened, but why it happened. An author of textbooks on the early Universe and inflation, David Lyth now explains both cosmology and the underlying physics to the general reader. The book includes a detailed account of the almost imperceptible structure in the early Universe, and its probable origin as a quantum fluctuation during an early epoch known as the epoch of inflation. It also explains how that early structure is visible now in the cosmic microwave radiation which is our main source of information about the early Universe, and how it gave rise to galaxies and stars. The main text of the book assumes no knowledge of mathematics or physics so that it is accessible to everybody, while an appendix contains more advanced material. As a result the book will be useful for a wide spectrum of readers, including high-school students, undergraduates, postgraduates and professional physicists working in areas other than cosmology. It will also serve as “additional reading” for university courses in general astronomy, astrophysics or cosmology itself.

Introduction to Cosmic Inflation and Dark Energy

Cosmological inflation and large scale structure. 2000. Cambridge University Press (2000-04-13) (1656) ASIN: B019NEC0Z6. 71. David H. Lyth and Andrew R. Liddle. The primordial density perturbation: Cosmology, inflation and the origin of ...

Introduction to Cosmic Inflation and Dark Energy

Introduction to Cosmic Inflation and Dark Energy

Cosmic inflation and dark energy hold the key to the origin and the eventual fate of the Universe. Despite the increasing prominence of these subjects in research and teaching over the past decade or more, no introductory textbook dedicated to these topics has been previously published. Dr. Konstantinos Dimopoulos is a highly regarded expert in the field, and an experienced communicator of the subject to students. In this book, he provides advanced undergraduate and early graduate students with an accessible introduction and equips them with the tools they need to understand the cosmology of cosmic inflation and dark energy. Features: Provides a concise, pedagogical "crash course" in big bang cosmology, focusing on the dynamics and the history of the Universe, with an emphasis on the role of dark energy Chapters contain questions and problems for readers to test their understanding The first book to make cosmic inflation and dark energy accessible to students

Delta N Formalism In Cosmological Perturbation Theory

Large Scale Quantum Fluctuations in the Inflationary Universe. Prog. Theor. ... Adiabatic and entropy perturbations from inflation. Phys. ... The primordial density perturbation: Cosmology, inflation and the origin of structure. 2009.

Delta N Formalism In Cosmological Perturbation Theory

Delta N Formalism In Cosmological Perturbation Theory

Early Universe cosmology is an active area of research and cosmic inflation is a pillar of modern cosmology. Among predictions of inflation, observationally the most important one is the generation of cosmological perturbations from quantum vacuum fluctuations that source all inhomogeneous structures in the Universe, not to mention the large-scale structures such as clusters of galaxies.Cosmological perturbation theory is the basic tool to study the perturbations generated from inflation. There are a few different approaches to primordial cosmological perturbations. In the conventional approach one perturbs the field equations and after quantizing the perturbations by the use of the corresponding action, one calculates the power spectrum of cosmological observables. This approach extends to higher order perturbations such as bispectrum etc., but the analysis becomes increasingly difficult.The delta N formalism, the topic of this book, is an alternative approach. The novelty of this approach is that, under the condition that the scale of interest is very large so that the spatial derivatives may be ignored in the dynamics, it can be applied to all orders in perturbation theory and has a rigorous foundation in general relativity. Thanks to the fact that one can evaluate perturbations with only the knowledge of background solutions, it is proved to be much easier than the conventional approach in evaluating higher order effects in many cases.

Quantum Aspects of Black Holes

Kawasaki, M., Sugiyama, N., Yanagida, T.: Primordial black hole formation in a double inflation model in supergravity. ... Lyth, D.H., Liddle, A.R.: The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure.

Quantum Aspects of Black Holes

Quantum Aspects of Black Holes

Beginning with an overview of the theory of black holes by the editor, this book presents a collection of ten chapters by leading physicists dealing with the variety of quantum mechanical and quantum gravitational effects pertinent to black holes. The contributions address topics such as Hawking radiation, the thermodynamics of black holes, the information paradox and firewalls, Monsters, primordial black holes, self-gravitating Bose-Einstein condensates, the formation of small black holes in high energetic collisions of particles, minimal length effects in black holes and small black holes at the Large Hadron Collider. Viewed as a whole the collection provides stimulating reading for researchers and graduate students seeking a summary of the quantum features of black holes.

Astroparticle Physics and Cosmology

Cuspy core of galaxies: As we discussed in Chap.2, observations of galactic rotation curve require that density profile at ... D.H. Lyth, A.R. Liddle, The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure ...

Astroparticle Physics and Cosmology

Astroparticle Physics and Cosmology

Cosmology and astroparticle physics have seen an avalanche of discoveries in the past decade (IceCube - high energy neutrinos, LIGO - gravitational waves, Fermi- gamma-ray telescope, Xenon-1T - dark matter detection, PLANCK- cosmic microwave radiation, EHT picture of black hole, SDSS -galaxy surveys), all of which require a multidisciplinary background for analyzing the phenomena. The arena for testing particle physics models is in the multimessenger astronomical observations and at the same time cosmology now requires a particle physics basis for explaining many phenomena. This book discusses the theoretical tools of particle physics and general relativity which are essential for understanding and correlating diverse astronomical observations.

Cosmology and String Theory

D.H. Lyth and A.R. Liddle, “The primordial density perturbation: Cosmology, inflation, and the origin of structure,” Cambridge University Press, 2009. A.R. Liddle and D.H. Lyth, “Cosmological inflation and large-scale structure,” ...

Cosmology and String Theory

Cosmology and String Theory

Cosmology describes the evolution of the Universe and is based on a description of its beginning from quantum fluctuations. String theory is the only known consistent theory of quantum gravity that can deal with the highest energy scales near the Planck energy, relevant for cosmology's beginning. As a result, only string theory can give a fully consistent picture of cosmological origins. This book describes the best current avenues for obtaining cosmology from string theory. It is aimed at graduate students, and also researchers, with some familiarity with cosmology and string theory, however no detailed knowledge is required.

Advances in Modern Cosmology

... 2002 [17] V.F. Mukhanov, Physical Foundations of Cosmology, Cambridge University Press, 2005 [18] A.R. Liddle and D.H. Lyth, The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure, Cambridge University ...

Advances in Modern Cosmology

Advances in Modern Cosmology

The twentieth century elevated our understanding of the Universe from its early stages to what it is today and what is to become of it. Cosmology is the weapon that utilizes all the scientific tools that we have created to feel less lost in the immensity of our Universe. The standard model is the theory that explains the best what we observe. Even with all the successes that this theory had, two main questions are still to be answered: What is the nature of dark matter and dark energy? This book attempts to understand these questions while giving some of the most promising advances in modern cosmology.

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