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Author : Steven Weinberg
Publisher : Cambridge University Press
Page : 229 pages
File Size : 43,8 Mb
Release : 2019-12-12
Category : Science
ISBN : 9781108415071
Stars -- Binaries -- The interstellar medium -- Galaxies.
Author : Goddard Space Flight Center
Publisher : Unknown
Page : 200 pages
File Size : 48,8 Mb
Release : 1969
Category : Astrophysics
ISBN : STANFORD:36105030243245
Author : Md A. Khan
Publisher : CRC Press
Page : 239 pages
File Size : 46,8 Mb
Release : 2018-02-13
Category : Science
ISBN : 9780429960949
In this volume the physics involved in various astrophysical processes like the synthesis of light and heavier elements, explosive burning processes, core collapse supernova etc have been critically addressed with minimum mathematical derivations so as to suit all faculties of the readers. For graduate students there are solved problems with exercises at the end of each chapter, for researchers some recent works on the calculation of physical parameters of astrophysical importance like the calculation of Sfactors at low energies have been included, and for amateur readers there are lot of history, information and discussion on the astronuclear phenomenon. Please note: Taylor & Francis does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Author : Michał Heller
Publisher : Unknown
Page : 188 pages
File Size : 45,5 Mb
Release : 1986
Category : Science
ISBN : UOM:39015051250036
Author : Fred Hoyle,Jayant V Narlikar
Publisher : World Scientific
Page : 148 pages
File Size : 40,7 Mb
Release : 1996-07-03
Category : Science
ISBN : 9789814499354
This book describes the subject of electrodynamics at classical as well as quantum level, developed as an interaction at a distance. Thus it has electric charges interacting with one another directly and not through the medium of a field. In general such an interaction travels forward and backward in time symmetrically, thus apparently violating the principle of causality. It turns out, however, that in such a description the cosmological boundary conditions become very important. The theory therefore works only in a cosmology with the right boundary conditions; but when it does work it is free from the divergences that plague a quantum field theory. Contents:Classical Electrodynamics:Historical BackgroundThe Problems of Classical Field Theorynman Absorber Theory of RadiationAction at a Distance in Curved SpacetimeCosmological ModelsResponse of the Expanding UniverseQuantum Electrodynamics Non-Relativistic Processes:The Path-Integral Approach to Quantum MechanicsPerturbation Theory and the Influence FunctionalAbsorption and Stimulated EmissionSpontaneous EmissionThe Complete Influence Functional and the Level Shift FormulaRelativistic Quantum Electrodynamics:Path Integrals for Relativisitc ParticlesMany Particle Interactions and the Quantum Response of the UniverseSelf ActionCosmological Cut-Offs to Radiative CorrectionsConcluding Remarks Readership: Undergraduates and research students in physics and cosmology. keywords:Action at a Distance;Electrodynamics;Wheeler-Feynman Theory;Response of the Universe;Direct Particle Fields;Arrow of Time;Cosmology and Quantum;Electrodynamics;QED without Fields
Author : Jan van Paradijs,Johan A.M. Bleeker
Publisher : Springer Science & Business Media
Page : 570 pages
File Size : 45,5 Mb
Release : 1999-02-17
Category : Science
ISBN : 3540655484
This volume contains a comprehensive treatment of X-ray spectroscopy, as applied in astrophysics. It is presented in the form of extensive notes of lectures given by seven distinguished scientists at the Tenth Summer School of the European Astrophysics Doctoral Network. The subjects covered are: basic line and continuum radiation processes in X-ray and gamma-ray astronomy; atomic physics of collision- and radiation-dominated plasmas; X-ray spectroscopic observations with ASCA and BeppoSAX; future X-ray spectroscopy missions; X-ray optics, and X-ray spectroscopy instrumentation. The book, which will appeal to both researchers and graduate students, is timely in view of the scheduled launches of the big X-ray observatories AXAF and XMM in 1999.
Author : Dan Hooper
Publisher : Princeton University Press
Page : 248 pages
File Size : 41,7 Mb
Release : 2019-11-05
Category : Science
ISBN : 9780691197005
A new look at the first few seconds after the Big Bang—and how research into these moments continues to revolutionize our understanding of our universe Scientists in the past few decades have made crucial discoveries about how our cosmos evolved over the past 13.8 billion years. But there remains a critical gap in our knowledge: we still know very little about what happened in the first seconds after the Big Bang. At the Edge of Time focuses on what we have recently learned and are still striving to understand about this most essential and mysterious period of time at the beginning of cosmic history. Delving into the remarkable science of cosmology, Dan Hooper describes many of the extraordinary and perplexing questions that scientists are asking about the origin and nature of our world. Hooper examines how we are using the Large Hadron Collider and other experiments to re-create the conditions of the Big Bang and test promising theories for how and why our universe came to contain so much matter and so little antimatter. We may be poised to finally discover how dark matter was formed during our universe’s first moments, and, with new telescopes, we are also lifting the veil on the era of cosmic inflation, which led to the creation of our world as we know it. Wrestling with the mysteries surrounding the initial moments that followed the Big Bang, At the Edge of Time presents an accessible investigation of our universe and its origin.
Author : Charles Keeton
Publisher : Springer
Page : 434 pages
File Size : 42,5 Mb
Release : 2014-05-10
Category : Science
ISBN : 9781461492368
This book gives a survey of astrophysics at the advanced undergraduate level, providing a physics-centred analysis of a broad range of astronomical systems. It originates from a two-semester course sequence at Rutgers University that is meant to appeal not only to astrophysics students but also more broadly to physics and engineering students. The organisation is driven more by physics than by astronomy; in other words, topics are first developed in physics and then applied to astronomical systems that can be investigated, rather than the other way around. The first half of the book focuses on gravity. The theme in this part of the book, as well as throughout astrophysics, is using motion to investigate mass. The goal of Chapters 2-11 is to develop a progressively richer understanding of gravity as it applies to objects ranging from planets and moons to galaxies and the universe as a whole. The second half uses other aspects of physics to address one of the big questions. While “Why are we here?” lies beyond the realm of physics, a closely related question is within our reach: “How did we get here?” The goal of Chapters 12-20 is to understand the physics behind the remarkable story of how the Universe, Earth and life were formed. This book assumes familiarity with vector calculus and introductory physics (mechanics, electromagnetism, gas physics and atomic physics); however, all of the physics topics are reviewed as they come up (and vital aspects of vector calculus are reviewed in the Appendix).
Author : H Falcke,F Hehl
Publisher : CRC Press
Page : 380 pages
File Size : 48,7 Mb
Release : 2002-12-16
Category : Science
ISBN : 1420033425
The supermassive black hole in the center of our Milky Way is the nearest such object and relatively easy to observe and study. Not surprisingly therefore, it is the best studied supermassive black hole. Many astrophysical and even general relativistic effects can be investigated in great detail. The Galactic Black Hole: Lectures on General Relativity and Astrophysics provides a systematic introduction to the physics/astrophysics and mathematics of black holes at a level suitable for graduate students, postdocs, and researchers in physics, astrophysics, astronomy, and applied mathematics. The focus is mainly on the supermassive black hole in the center of our Milky Way but the results can be easily generalized taking it as an example. Leading international experts provide first-hand accounts of the observational and theoretical aspects of this black hole. Topics range from the properties of the Schwarzschild metric and the collapse of a black hole, to quantum gravity, and from the structure of the Galaxy to accretion of matter and the emission properties of the Galactic Center black hole.
Author : R.D. Blandford,H. Netzer,L. Woltjer
Publisher : Springer Science & Business Media
Page : 289 pages
File Size : 54,7 Mb
Release : 2006-04-18
Category : Science
ISBN : 9783540316251
The Swiss Society for Astrophysics and Astronomy organizes each year in the late winter or early spring an advanced course. The format of the school is always iden tical: three leading lecturers are invited to cover the subject in nine or ten lectures each and to deliver a written version of their lecture notes. Lectures are held in the morning and late afternoon, thus leaving ample time for discussion and skiing. These arrangements prove very convivial and lead to an excellent atmosphere in which to learn exciting new subjects and establish contacts with colleagues. A wide variety of people attend the school, including many young students, mostly from Europe, and some experienced researchers. The 20th Advanced Course of the Swiss Society for Astrophysics and Astronomy took place in Les Diablerets from 1 to 6 April 1990. It was devoted to observational and theoretical aspects of active galactic nuclei. The previous advanced courses of the Swiss Society for Astrophysics and Astronomy have regularly taken place in Saas-Fee, a small resort in the Swiss Alps, hence the name "Saas-Fee" used to de scribe the courses and lecture notes. In the last three years, however, the course was organized in Leysin and in Les Diablerets, both also situated in the Swiss Alps.
Author : Marc L. Kutner
Publisher : Cambridge University Press
Page : 600 pages
File Size : 42,6 Mb
Release : 2003-07-31
Category : Science
ISBN : 9781107717602
This fully revised and updated text is a comprehensive introduction to astronomical objects and phenomena. By applying some basic physical principles to a variety of situations, students will learn how to relate everyday physics to the astronomical world. Starting with the simplest objects, the text contains explanations of how and why astronomical phenomena occur, and how astronomers collect and interpret information about stars, galaxies and the solar system. The text looks at the properties of stars, star formation and evolution; neutron stars and black holes; the nature of galaxies; and the structure of the universe. It examines the past, present and future states of the universe; and final chapters use the concepts that have been developed to study the solar system, its formation; the possibility of finding other planetary systems; and the search for extraterrestrial life. This comprehensive text contains useful equations, chapter summaries, worked examples and end-of-chapter problem sets.
Author : Giovanni Amelino-Camelia,Jurek Kowalski-Glikman
Publisher : Springer Science & Business Media
Page : 434 pages
File Size : 41,7 Mb
Release : 2005-06-13
Category : Science
ISBN : 3540252630
This volume is composed of extensive and detailed notes from the lectures given at the 40th Karpacz Winter School. This school focussed on quantum gravity phenomenology with emphasis on its relation to observational astrophysics and cosmology. These notes have been carefully edited with the aim to give advanced students and young researchers a balanced and accessible introduction to a rather heavily mathematical subject.
Author : Dany Page,Jorge G. Hirsch
Publisher : Springer Science & Business Media
Page : 350 pages
File Size : 49,9 Mb
Release : 2000-11-27
Category : Science
ISBN : 9783540410645
The enormous advances in observational techniques over the last two decades has produced a wealth of data and unexpected discoveries which have helped to reshape astrophysics as a field with well-formulated theories and sophisticated numerical calculations. In nuclear particle physics, plasma physics, as well as in general relativity, the Universe has become a laboratory for cutting-edge research. The courses collected in the book are intended to provide students with this insight, giving a general background on each topic such as cosmic rays, nuclear and neutrino astrophysics, solar physics and strong fields, as well as a presentation of the current research and open problems. The book is aimed at graduate students in physics and astrophysics, as well as researchers, bridging a gap between the specialized reviews and the comprehensive books.
Author : Georg Wolschin
Publisher : Springer
Page : 200 pages
File Size : 40,6 Mb
Release : 2010-03-10
Category : Science
ISBN : 9783642105982
The lectures that four authors present in this volume investigate core topics related to the accelerated expansion of the Universe. Accelerated expansion occured in the ?36 very early Universe – an exponential expansion in the in ationary period 10 s after the Big Bang. This well-established theoretical concept had rst been p- posed in 1980 by Alan Guth to account for the homogeneity and isotropy of the observable universe, and simultaneously by Alexei Starobinski, and has since then been developed by many authors in great theoretical detail. An accelerated expansion of the late Universe at redshifts z
Author : Vitaliĭ Lazarevich Ginzburg
Publisher : Pergamon
Page : 144 pages
File Size : 51,5 Mb
Release : 1983
Category : Science
ISBN : UOM:39015017199418