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Author: Graham Ross
Publisher: Westview Press
ISBN: 9780805369687
Category : Science
Languages : en
Pages : 512
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Book Description
Grand Unified Theories introduces the application of gauge field theories to a unified description of the strong, electromagnetic, weak, and gravitational interactions. The phenomenological aspects of the work are emphasized and explicit calculations presented. Many of the aspects of current research, including technicolor models, supersymmetry and supergravity, and the cosmological implications of these theories, are discussed in this book.This book is suitable for graduate students with a background in quantum mechanics, and experimental and theoretical particle physicists who want to understand the grand unified theories.
Author: Graham Ross
Publisher: Westview Press
ISBN: 9780805369687
Category : Science
Languages : en
Pages : 512
Get Book Here
Book Description
Grand Unified Theories introduces the application of gauge field theories to a unified description of the strong, electromagnetic, weak, and gravitational interactions. The phenomenological aspects of the work are emphasized and explicit calculations presented. Many of the aspects of current research, including technicolor models, supersymmetry and supergravity, and the cosmological implications of these theories, are discussed in this book.This book is suitable for graduate students with a background in quantum mechanics, and experimental and theoretical particle physicists who want to understand the grand unified theories.
Author: Stuart Raby
Publisher: Springer
ISBN: 3319552554
Category : Science
Languages : en
Pages : 426
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Book Description
These course-tested lectures provide a technical introduction to Supersymmetric Grand Unified Theories (SUSY GUTs), as well as a personal view on the topic by one of the pioneers in the field. While the Standard Model of Particle Physics is incredibly successful in describing the known universe it is, nevertheless, an incomplete theory with many free parameters and open issues. An elegant solution to all of these quandaries is the proposed theory of SUSY GUTs. In a GUT, quarks and leptons are related in a simple way by the unifying symmetry and their electric charges are quantized, further the relative strength of the strong, weak and electromagnetic forces are predicted. SUSY GUTs additionally provide a framework for understanding particle masses and offer candidates for dark matter. Finally, with the extension of SUSY GUTs to string theory, a quantum-mechanically consistent unification of the four known forces (including gravity) is obtained. The book is organized in three sections: the first section contains a brief introduction to the Standard Model, supersymmetry and the Minimal Supersymmetric Standard Model. Then SUSY GUTs in four space-time dimensions are introduced and reviewed. In addition, the cosmological issues concerning SUSY GUTs are discussed. Then the requirements for embedding a 4D SUSY GUT into higher-dimensional theories including gravity (i.e. String Theory) are investigated. Accordingly, section two of the course is devoted to discussing the so-called Orbifold GUTs and how in turn they solve some of the technical problems of 4D SUSY GUTs. Orbifold GUTs introduce a new set of open issues, which are then resolved in the third section in which it is shown how to embed Orbifold GUTs into the E(8) x E(8) Heterotic String in 10 space-time dimensions.
Author: G. A. Oyibo
Publisher:
ISBN:
Category : Mathematics
Languages : en
Pages : 292
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Book Description
General theorem providing a mathematical basis for a grand Unified Field Theory (GUT) is presented. The proof of the theorem is shown to be a recent work entitled 'Generalised Mathematical Proof of Einstein's Theory Using a New Group Theory', which has been reviewed by the American Mathematical Society. This work provides generic solutions to the unified field, from which both the Newtonian and Einsteinian gravitational fields seem to be recoverable. Furthermore, the electromagnetic field seems to be recoverable also from these solutions. Since the investigation does not assume the existence of particles a priori, matter could therefore be interpreted as high field intensity. Therefore, nuclear force fields (strong and weak) seem to be included. The solution seems to mathematically represent the modification of space-time predicted by Einstein's general relativity theory.
Author: Rabindra N. Mohapatra
Publisher: Springer Science & Business Media
ISBN: 1475719280
Category : Science
Languages : en
Pages : 321
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Book Description
The theoretical understanding of elementary particle interactions has under gone a revolutionary change during the past one and a half decades. The spontaneously broken gauge theories, which in the 1970s emerged as a prime candidate for the description of electro-weak (as weIl as strong) interactions, have been confirmed by the discovery of neutral weak currents as weIl as the w- and Z-bosons. We now have a field theory of electro-weak interactions at energy scales below 100 GeV-the Glashow-Weinberg-Salam theory. It is a renormalizable theory which enables us to do calculations without en countering unnecessary divergences. The burning question now is: Wh at lies ahead at the next level of unification? As we head into the era of supercolliders and ultrahigh energy machines to answer this question, many ap, pealing possi bilities exist: left-right symmetry, technicolor, compositeness, grand unifica ti on, supersymmetry, supergravity, Kaluza-Klein models, and most recently superstrings that even unify gravity along with other interactions. Experi ments will decide if any one or any combination of these is to be relevant in the description of physics at the higher energies. As an outcome of our con fidence in the possible scenerios for elementary particle physics, we have seen our understanding of the early uni verse improve significantly.
Author: Paul Davies
Publisher: Simon and Schuster
ISBN: 0671605739
Category : Science
Languages : en
Pages : 269
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Book Description
From Simon & Schuster, Superforce is Paul Davies' latest work that searches for a grand unified theory of nature. Superforce explains how recent discoveries in physics and the new cosmology have transformed concepts of the physical world by linking space, time, matter, force, creation, order, and mind into the ultimate scientific theory.
Author: Randell L. Mills
Publisher:
ISBN: 9780963517197
Category : Grand unified theories (Nuclear physics)
Languages : en
Pages : 1726
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Book Description
Author: Abdus Salam
Publisher: Cambridge University Press
ISBN: 0521371406
Category : Science
Languages : en
Pages : 155
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Book Description
Paul Adrian Maurice Dirac, one of the greatest physicists of the twentieth century, died in 1984. His college, St John's College, Cambridge, generously endowed annual lectures to be held at Cambridge University in his memory. This 1990 volume includes an expanded version of the third Dirac Memorial Lecture presented by Abdus Salam.
Author: Thomas E. Stolper
Publisher:
ISBN: 9781439202272
Category : Science
Languages : en
Pages : 338
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Book Description
This book gives an answer, insofar as I knew it by early 2007, to a question: why hasn't the work of Randell Mills and his company, BlackLight Power, had a friendlier reception? Part of the answer: the 1989 cold fusion fiasco, with which Millsâ critics falsely identified him after he surfaced in The New York Times in 1991. Another part: Millsâ sweeping challenge to the theoretical physicists, whose pet theories astronomy has now shown can explain only 5% of everything out there, but who journal editors, scientists, graduate students, science writers, science managers, venture capitalists, the funding agencies, Congress, and the attentive public alike are still taught to hold in awe. The book is extensively documented for those who would like to read more about any of the topics mentioned. Its Table of Contents and Index are available as a free PDF download from the author's personal web page at http://homepage.mac.com/tstolper/
Author: Ian D. Lawrie
Publisher: CRC Press
ISBN: 1439884463
Category : Science
Languages : en
Pages : 716
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Book Description
A Unified Grand Tour of Theoretical Physics invites its readers to a guided exploration of the theoretical ideas that shape our contemporary understanding of the physical world at the fundamental level. Its central themes, comprising space-time geometry and the general relativistic account of gravity, quantum field theory and the gauge theories of fundamental forces, and statistical mechanics and the theory of phase transitions, are developed in explicit mathematical detail, with an emphasis on conceptual understanding. Straightforward treatments of the standard models of particle physics and cosmology are supplemented with introductory accounts of more speculative theories, including supersymmetry and string theory. This third edition of the Tour includes a new chapter on quantum gravity, focusing on the approach known as Loop Quantum Gravity, while new sections provide extended discussions of topics that have become prominent in recent years, such as the Higgs boson, massive neutrinos, cosmological perturbations, dark energy and matter, and the thermodynamics of black holes. Designed for those in search of a solid grasp of the inner workings of these theories, but who prefer to avoid a full-scale assault on the research literature, the Tour assumes as its point of departure a familiarity with basic undergraduate-level physics, and emphasizes the interconnections between aspects of physics that are more often treated in isolation. The companion website at www.unifiedgrandtours.org provides further resources, including a comprehensive manual of solutions to the end-of-chapter exercises.
Author: Jeroen van Dongen
Publisher: Cambridge University Press
ISBN: 1139643924
Category : Science
Languages : en
Pages : 225
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Book Description
Why did Einstein tirelessly study unified field theory for more than thirty years? In this book, the author argues that Einstein believed he could find a unified theory of all of nature's forces by repeating the methods he thought he had used when he formulated general relativity. The book discusses Einstein's route to the general theory of relativity, focusing on the philosophical lessons that he learnt. It then addresses his quest for a unified theory for electromagnetism and gravity, discussing in detail his efforts with Kaluza-Klein and, surprisingly, the theory of spinors. From these perspectives, Einstein's critical stance towards the quantum theory comes to stand in a new light. This book will be of interest to physicists, historians and philosophers of science.
