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Author : Oliver Linton
Publisher :
ISBN 13 : 9781471058509
Total Pages : 0 pages
Book Rating : 4.0/5 (585 download)
Download or read book Puzzles and Paradoxes in Relativity and Cosmology written by Oliver Linton and published by . This book was released on 2021-06-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yakov Terletskii
Publisher : Springer Science & Business Media
ISBN 13 : 1489926747
Total Pages : 128 pages
Book Rating : 4.4/5 (899 download)
Download or read book Paradoxes in the Theory of Relativity written by Yakov Terletskii and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: That Einstein's insight was profound goes without saying. A strildng indication of its depth is the abundance of unexpected riches that others have found in his work - riches reserved for those daring to give serious attention to implications that at first sight seem unphysical. A famous instance is that of the de Broglie waves. If, in ac cordance with Fermat's principle, a photon followed the path of least time, de Broglie felt that the photon should have some phys ical means of exploring alternative paths to determine which of them would in fact require the least time. For this and other rea sons, he assumed that the photon had a nonvanishing rest mass, and, in accordance with Einstein's E = h v, he endowed the photon with a spread-out pulsation of the form A Sin(27TEt/h) in the photon's rest frame. According to the theory of relativity such a pulsation, every where simultaneous in a given frame, seemed absurd as a physical entity. Nevertheless de Broglie took it seriously, applied a Lorentz transformation in the orthodox relativistic tradition, and found that the simultaneous pulsation was transformed into a wave whose phase velocity was finite but greater than c while its group velocity was that of the particle. By thus pursuing Einsteinian concepts into thickets that others had not dared to penetrate, de Broglie laid the brilliant foundations of wave mechanics.
Author : Julio A Gonzalo
Publisher : World Scientific
ISBN 13 : 981126208X
Total Pages : 249 pages
Book Rating : 4.8/5 (112 download)
Download or read book Cosmic Paradoxes (Third Edition) written by Julio A Gonzalo and published by World Scientific. This book was released on 2022-08-18 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Cosmic Paradoxes' was an outcome of a Conference-Summer Course on 'Astrophysical Cosmology: Frontier Questions' held at El Escorial, Madrid, on August 16-19, 1993. The Scientific Directors were John C Mather, Director of NASA's COBE (Cosmic Background Radiation Explorer), and Jose M Torroja, Secretary of the Spanish Academy of Sciences. Julio A Gonzalo, UAM, was in charge of coordinating the event. The first speaker was Ralph A Alpher, one of the pioneers who predicted very early the CBR (Cosmic Background Radiation). The CBR was observed by A Penzias and R Wilson, Bell Telephone Labs, in 1965. Thereafter it was measured with unprecedented precision by the COBE in 1989, characterizing the Planck spectral distribution of the CBR (J C Mather) and detecting its minute anisotropies (G Smoot). In 2003 the WMAP, NASA's satellite successor of the COBE, confirmed COBE's results, and gave an excellent quantitative estimate of the 'age' of the universe as 13.7 ± 0.2 Gyrs, in support of the Big Bang theory of cosmic origins.In the Third Edition of this book, almost coincident with the launch reports of NASA's James Webb Space Telescope (JWST), includes recent work discussing evidence in favor of an open finite universe. A further discussion of the Heisenberg-Lemaitre time (Appendix D) takes into consideration that the cosmic expansion velocity at very early times is Ṙ(yHL)≫c and reviews in more detail the thermal history of the universe.
Author : John L. Bell
Publisher : Broadview Press
ISBN 13 : 1554813026
Total Pages : 218 pages
Book Rating : 4.5/5 (548 download)
Download or read book Oppositions and Paradoxes written by John L. Bell and published by Broadview Press. This book was released on 2016-04-18 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since antiquity, opposed concepts such as the One and the Many, the Finite and the Infinite, and the Absolute and the Relative, have been a driving force in philosophical, scientific, and mathematical thought. Yet they have also given rise to perplexing problems and conceptual paradoxes which continue to haunt scientists and philosophers. In Oppositions and Paradoxes, John L. Bell explains and investigates the paradoxes and puzzles that arise out of conceptual oppositions in physics and mathematics. In the process, Bell not only motivates abstract conceptual thinking about the paradoxes at issue, but he also offers a compelling introduction to central ideas in such otherwise-difficult topics as non-Euclidean geometry, relativity, and quantum physics. These paradoxes are often as fun as they are flabbergasting. Consider, for example, the famous Tristram Shandy paradox: an immortal man composing an autobiography so slowly as to require a year of writing to describe each day of his life — he would, if he had infinite time, presumably never complete the work, although no individual part of it would remain unwritten. Or think of an office mailbox labelled “mail for those with no mailbox”—if this is a person’s mailbox, how can they possibly have “no mailbox”? These and many other paradoxes straddle the boundary between physics and metaphysics, and demonstrate the hidden difficulty in many of our most basic concepts.
Author : Ta-Pei Cheng
Publisher : Oxford University Press
ISBN 13 : 0199693404
Total Pages : 305 pages
Book Rating : 4.1/5 (996 download)
Download or read book A College Course on Relativity and Cosmology written by Ta-Pei Cheng and published by Oxford University Press. This book was released on 2015 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This advanced undergraduate text introduces Einstein's general theory of relativity. The topics covered include geometric formulation of special relativity, the principle of equivalence, Einstein's field equation and its spherical-symmetric solution, as well as cosmology. An emphasis is placed on physical examples and simple applications without the full tensor apparatus. It begins by examining the physics of the equivalence principle and looks at how it inspired Einstein's idea of curved spacetime as the gravitational field. At a more mathematically accessible level, it provides a metric description of a warped space, allowing the reader to study many interesting phenomena such as gravitational time dilation, GPS operation, light deflection, precession of Mercury's perihelion, and black holes. Numerous modern topics in cosmology are discussed from primordial inflation and cosmic microwave background to the dark energy that propels an accelerating universe. Building on Cheng's previous book, 'Relativity, Gravitation and Cosmology: A Basic Introduction', this text has been tailored to the advanced student. It concentrates on the core elements of the subject making it suitable for a one-semester course at the undergraduate level. It can also serve as an accessible introduction of general relativity and cosmology for those readers who want to study the subject on their own. The proper tensor formulation of Einstein's field equation is presented in an appendix chapter for those wishing to glimpse further at the mathematical details. To request a copy of the Solutions Manual, visit http://global.oup.com/uk/academic/physics/admin/solutions.
Author : Michal Křížek
Publisher : Springer
ISBN 13 : 9783031317675
Total Pages : 0 pages
Book Rating : 4.3/5 (176 download)
Download or read book Mathematical Aspects of Paradoxes in Cosmology written by Michal Křížek and published by Springer. This book was released on 2023-07-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a mathematical and numerical analysis of many problems which lead to paradoxes in contemporary cosmology, in particular, the existence of dark matter and dark energy. It is shown that these hypothetical quantities arise from excessive extrapolations of simple mathematical models to the whole physical universe. Written in a completely different style to most books on General Relativity and cosmology, the important results take the form of mathematical theorems with precise assumptions and statements. All theorems are followed by a corresponding proof, or an exact reference to the proof. Some nonstandard topics are also covered, including violation of the causality principle in Newtonian mechanics, a critical mathematical and numerical analysis of Mercury's perihelion shift, inapplicability of Einstein's equations to the classical two-body problem due to computational complexity, non-uniqueness of the notion of universe, the topology of the universe, various descriptions of a hypersphere, regular tessellations of hyperbolic spaces, local Hubble expansion of the universe, neglected gravitational redshift in the detection of gravitational waves, and the possible distribution of mass inside a black hole. The book also dispels some myths appearing in the theory of relativity and in contemporary cosmology. For example, although the hidden assumption that Einstein's equations provide a good description of the evolution of the whole universe is considered to be obvious, it is just a null hypothesis which has not been verified by any experiment, and has only been postulated by excessive extrapolations of many orders of magnitude.
Author : Christoph Schiller
Publisher : CreateSpace
ISBN 13 : 9781494409753
Total Pages : 524 pages
Book Rating : 4.4/5 (97 download)
Download or read book Motion Mountain - Vol. 1 - The Adventure of Physics written by Christoph Schiller and published by CreateSpace. This book was released on 2013-12-07 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: How high can animals jump? What are the fastest thrown balls? How fast can aeroplanes and butterflies fly? What does the sea level tell us about the sun? What are temperature and heat? What is self-organization? This free colour pdf on introductory physics guarantees to be entertaining, surprising and challenging on every page. The text presents the best stories, images, movies and puzzles in mechanics, gravity and thermodynamics - with little mathematics, always starting from observations of everyday life. This first volume also explains conservation laws and the reversibility of motion, explores mirror symmetry, and presents the principle of cosmic laziness: the principle of least action. This popular series has already more than 160 000 readers. If you are between the age of 16 and 106 and want to understand nature, you will enjoy it! To achieve wonder and thrill on every page, the first volume includes the various "colour of the bear" puzzles and the "picture on the wall" puzzle, explains about the many types of water waves, introduces the art of laying rope, tells about the the dangers of aeroplane toilets, explores the jumping height of different animals, presents the surprising motion of moguls on skiing slopes, explains why ultrasound imaging is not safe for a foetus, gives the ideal shape of skateboard half-pipes, estimates the total length of all capillaries in the human body, explains how it is possible to plunge a bare hand into molten lead, includes a film of an oscillating quartz inside a watch, includes the "handcuff puzzle" and the "horse pulling a rubber with a snail on it" puzzle, explains how jet pilots frighten civilians with sonic superbooms produced by fighter planes, presents the most beautiful and precise sundial available today, shows leap-frogging vortex rings, tells the story of the Galilean satellites of Jupiter, mentions the world records for running backwards and the attempts to break the speed sailing record, and tells in detail how to learn from books with as little effort as possible. Enjoy the reading!
Author : Fred I Cooperstock
Publisher : Springer Science & Business Media
ISBN 13 : 3642303854
Total Pages : 146 pages
Book Rating : 4.6/5 (423 download)
Download or read book Einstein's Relativity written by Fred I Cooperstock and published by Springer Science & Business Media. This book was released on 2012-08-04 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This richly illustrated book is unique in bringing Einstein's relativity to a higher level for the non-specialist than has ever been attempted before, using nothing more than grade-school algebra. Bondi's approach with spacetime diagrams is simplified and expanded, clarifying the famous asymmetric aging-of-twins paradox. Einstein's theory of gravity, general relativity, is simplified for the reader using spacetime diagrams. The theory is applied to important topics in physics such as gravitational waves, gravitational collapse and black holes, time machines, the relationship to the quantum world, galactic motions and cosmology.
Author : Florentin Smarandache
Publisher : Infinite Study
ISBN 13 : 1599732076
Total Pages : 128 pages
Book Rating : 4.5/5 (997 download)
Download or read book NEW RELATIVISTIC PARADOXES AND OPEN QUESTIONS (second edition) written by Florentin Smarandache and published by Infinite Study. This book was released on with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jose Wudka
Publisher : Cambridge University Press
ISBN 13 : 0521822807
Total Pages : 307 pages
Book Rating : 4.5/5 (218 download)
Download or read book Space-Time, Relativity, and Cosmology written by Jose Wudka and published by Cambridge University Press. This book was released on 2006-07-20 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space-Time, Relativity, and Cosmology provides a historical introduction to modern relativistic cosmology and traces its historical roots and evolution from antiquity to Einstein. The topics are presented in a non-mathematical manner, with the emphasis on the ideas that underlie each theory rather than their detailed quantitative consequences. A significant part of the book focuses on the Special and General theories of relativity. The tests and experimental evidence supporting the theories are explained together with their predictions and their confirmation. Other topics include a discussion of modern relativistic cosmology, the consequences of Hubble's observations leading to the Big Bang hypothesis, and an overview of the most exciting research topics in relativistic cosmology. This textbook is intended for introductory undergraduate courses on the foundations of modern physics. It is also accessible to advanced high school students, as well as non-science majors who are concerned with science issues.
Author : Eric Baird
Publisher : Chocolate Tree Books
ISBN 13 : 0955706807
Total Pages : 396 pages
Book Rating : 4.9/5 (557 download)
Download or read book Relativity in Curved Spacetime written by Eric Baird and published by Chocolate Tree Books. This book was released on 2007 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relativity theory has become one of the icons of Twentieth Century science. It's reckoned to be a difficult subject, taught as a layered series of increasingly difficult mathematics and increasingly abstract concepts. We're told that relativity theory is supposed to be this complicated and counter-intuitive. But how much of this historical complexity is really necessary? Can we bypass the interpretations and paradoxes and pseudoparadoxes of Einstein's special theory and jump directly to a deeper and more intuitive description of reality? What if curvature is a fundamental part of physics, and a final theory of relativity shouldn't reduce to Einstein's "flat" 1905 theory //on principle//? "Relativity..." takes us on a whistlestop tour of Twentieth Century physics - from black holes, quantum mechanics, wormholes and the Big Bang to the workings of the human mind, and asks: what would physics look like without special relativity? 394 printed pages, 234156 mm, 200 figures and illustrations, includes bibliography and index www.relativitybook.com
Author : Jim Al-Khalili
Publisher : Random House
ISBN 13 : 1446488144
Total Pages : 306 pages
Book Rating : 4.4/5 (464 download)
Download or read book Paradox written by Jim Al-Khalili and published by Random House. This book was released on 2012-04-12 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jim Al-Khalili is about to untangle the world's greatest science conundrums... ___________ How does the fact that it gets dark at night prove the Universe must have started with a big bang? Where are all the aliens? Why does the length of a piece of string vary depending on how fast it is moving? Our subject is 'perceived paradoxes' - questions or thought-experiments that on first encounter seem impossible to answer, but which science has been able to solve. Our tour of these mind-expanding puzzles will take us through some of the greatest hits of science - from Einstein's theories about space and time, to the latest ideas of how the quantum world works. Some of our paradoxes may be familiar, such as Schrödinger's famous cat, which is seemingly alive and dead at the same time; or the Grandfather Paradox - if you travelled back in time and killed your grandfather you would not have been born and would not therefore have killed your grandfather. Other paradoxes will be new to you, but no less bizarre and fascinating. In resolving our paradoxes we will have to travel to the furthest reaches of the Universe and explore the very essence of space and time. Hold on tight.
Author : Michael Silberstein
Publisher : Oxford University Press
ISBN 13 : 0192533835
Total Pages : 423 pages
Book Rating : 4.1/5 (925 download)
Download or read book Beyond the Dynamical Universe written by Michael Silberstein and published by Oxford University Press. This book was released on 2018-02-02 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical physics and foundations of physics have not made much progress in the last few decades. Whether we are talking about unifying general relativity and quantum field theory (quantum gravity), explaining so-called dark energy and dark matter (cosmology), or the interpretation and implications of quantum mechanics and relativity, there is no consensus in sight. In addition, both enterprises are deeply puzzled about various facets of time including above all, time as experienced. The authors argue that, across the board, this impasse is the result of the "dynamical universe paradigm," the idea that reality is fundamentally made up of physical entities that evolve in time from some initial state according to dynamical laws. Thus, in the dynamical universe, the initial conditions plus the dynamical laws explain everything else going exclusively forward in time. In cosmology, for example, the initial conditions reside in the Big Bang and the dynamical law is supplied by general relativity. Accordingly, the present state of the universe is explained exclusively by its past. This book offers a completely new paradigm (called Relational Blockworld), whereby the past, present and future co-determine each other via "adynamical global constraints," such as the least action principle. Accordingly, the future is just as important for explaining the present as is the past. Most of the book is devoted to showing how Relational Blockworld resolves many of the current conundrums of both theoretical physics and foundations of physics, including the mystery of time as experienced and how that experience relates to the block universe.
Author : David E. Rowe
Publisher : Springer
ISBN 13 : 3319678191
Total Pages : 461 pages
Book Rating : 4.3/5 (196 download)
Download or read book A Richer Picture of Mathematics written by David E. Rowe and published by Springer. This book was released on 2018-02-13 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historian David E. Rowe captures the rich tapestry of mathematical creativity in this collection of essays from the “Years Ago” column of The Mathematical Intelligencer. With topics ranging from ancient Greek mathematics to modern relativistic cosmology, this collection conveys the impetus and spirit of Rowe’s various and many-faceted contributions to the history of mathematics. Centered on the Göttingen mathematical tradition, these stories illuminate important facets of mathematical activity often overlooked in other accounts. Six sections place the essays in chronological and thematic order, beginning with new introductions that contextualize each section. The essays that follow recount episodes relating to the section’s overall theme. All of the essays in this collection, with the exception of two, appeared over the course of more than 30 years in The Mathematical Intelligencer. Based largely on archival and primary sources, these vignettes offer unusual insights into behind-the-scenes events. Taken together, they aim to show how Göttingen managed to attract an extraordinary array of talented individuals, several of whom contributed to the development of a new mathematical culture during the first decades of the twentieth century.
Author : Franco Selleri
Publisher :
ISBN 13 : 9780973291193
Total Pages : pages
Book Rating : 4.2/5 (911 download)
Download or read book Weak Relativity written by Franco Selleri and published by . This book was released on 2009-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milo Wolff
Publisher : Technotran
ISBN 13 : 9780962778704
Total Pages : 251 pages
Book Rating : 4.7/5 (787 download)
Download or read book Exploring the Physics of the Unknown Universe written by Milo Wolff and published by Technotran. This book was released on 1990 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Follow a trail of scientific clues and ideas from the Greeks to Newton, Mach, Clifford, Einstein, Dirac, Feynman, and beyond to modern galactic astronomy, as Wolff conducts an investigation of the fundamental particles and their relationship to the structure of the universe, proposing an answer to the question, "Is there a unification theory of physics?" 46 illustrations. (Technotran Press)
Author : Julio Antonio Gonzalo
Publisher :
ISBN 13 : 9789814355124
Total Pages : 157 pages
Book Rating : 4.3/5 (551 download)
Download or read book Cosmic Paradoxes written by Julio Antonio Gonzalo and published by . This book was released on 2011 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
