Unification of Fundamental Forces

Unification of Fundamental Forces

Author: Abdus Salam

Publisher: Cambridge University Press

Published: 1990-05-25

Total Pages: 155

ISBN-13: 0521371406

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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.


Inflationary Cosmology

Inflationary Cosmology

Author: L. F. Abbott

Publisher: World Scientific

Published: 1986

Total Pages: 716

ISBN-13: 9789971978655

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Inflation has revolutionized cosmology primarily because it has eliminated the dependence of cosmological modelling on initial conditions. Thus inflationary cosmology is able to account for the present universe starting from a wide range of initial conditions. This volume reviews the presents state of subject. Each chapter consists of a brief introduction followed by reprints of important papers. Experts in the field are also provided with a unifying view point.


Primordial Cosmology

Primordial Cosmology

Author: Patrick Peter

Publisher: Oxford University Press

Published: 2013-02-14

Total Pages: 858

ISBN-13: 019966515X

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This book provides an extensive survey of all the physics necessary to understand the current developments in the field of fundamental cosmology, as well as an overview of the observational data and methods. It will help students to get into research by providing definitions and main techniques and ideas discussed today. The book is divided into three parts. Part 1 summarises the fundamentals in theoretical physics needed in cosmology (general relativity, field theory, particle physics). Part 2 describes the standard model of cosmology and includes cosmological solutions of Einstein equations, the hot big bang model, cosmological perturbation theory, cosmic microwave background anisotropies, lensing and evidence for dark matter, and inflation. Part 3 describes extensions of this model and opens up current research in the field: scalar-tensor theories, supersymmetry, the cosmological constant problem and acceleration of the universe, topology of the universe, grand unification and baryogenesis, topological defects and phase transitions, string inspired cosmology including branes and the latest developments. The book provides details of all derivations and leads the student up to the level of research articles.


THE HYBRID GRAND UNIFIED THEORY

THE HYBRID GRAND UNIFIED THEORY

Author: E. Escultura

Publisher: Springer Science & Business Media

Published: 2009-03-01

Total Pages: 139

ISBN-13: 9491216236

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In this book, an attempt is made to provide a hybrid grand unified theory to understand the universe, both in its micro/quantum aspects as well as macro/galactic aspects. The book describes a truly hybrid theory as it encompasses both the modern and ancient theories of the universe, together with its functioning at all levels of human comprehension. One of its authors, Dr Escultura, was nominated in 2005 for a Nobel Prize for his flux theory of gravitation. From then on this theory has been improved, clarified and is now known as the hybrid grand unified theory. This book deals with this new bold theory, unifying mathematics and physics, and answering some open fundamental questions and paradoxes in these disciplines. The book also describes what the ancient scientists knew about these matters.


Inner Space/Outer Space

Inner Space/Outer Space

Author: Edward Kolb

Publisher: University of Chicago Press

Published: 1986-04

Total Pages: 682

ISBN-13: 9780226450322

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Inner Space/Outer Space brings together much of the exciting work contributing to a new synthesis of modern physics. Particle physicists, concerned with the "inner space" of the atom, are making discoveries that their colleagues in astrophysics, studying outer space, can use to develop and test hypotheses about the events that occurred in the microseconds after the Big Bang and that shaped the universe as we know it today. The papers collected here, from scores of scientists, constitute the proceedings of the first major international conference on research at the interface of particle physics and astrophysics, held in May 1984. The editors have written introductions to each major section that draw out the central themes and elaborate on the primary implications of the papers that follow.


Nuclear Physics 2

Nuclear Physics 2

Author: Ibrahima Sakho

Publisher: John Wiley & Sons

Published: 2024-07-23

Total Pages: 260

ISBN-13: 1786307332

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Nuclear Physics 2 explores the applications of various radioisotopes for dating and nuclear medicine imaging. It introduces the theoretical and experimental facts from the observation of the red shift in the spectrum of galaxies (1913), and the discovery of the cosmic microwave background (1965) that led to the validation of the Big Bang model, through which all known chemical elements are created via nucleosynthesis processes. This introduction is followed by a description of the nuclear reactions involved in primordial, stellar, and explosive. The principles of carbon-14, potassium-argon, uranium-thorium and uranium-protactinium dating, along with the principles of lead-210, caesium-137 and beryllium-7 radiochronometers applied to dating, are also described. An overview of the birth of nuclear medicine is given, from the first use of radioisotopes as tracers in plant biology in 1913, to the development of Positron Emission Tomography (PET) in 1975. The method of synthesis of radiopharmaceuticals, quality control of radiopharmaceuticals and the experimental methods of the determination of radiochemical purity are presented. The description of the principles of PET and Single-Photon Emission Tomography (SPECT), the presentation of the different radioisotopes used in TEMPS and PET, as well as the presentation of the main scintigraphies and their uses in nuclear medicine conclude the topics studied.


Particle Physics and Cosmology: Dark Matter

Particle Physics and Cosmology: Dark Matter

Author: M. Srednicki

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 382

ISBN-13: 0444596097

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At least eighty percent of the mass of the universe consists of some material which, unlike ordinary matter, neither emits nor absorbs light. This book collects key papers related to the discovery of this astonishing fact and its profound implications for astrophysics, cosmology, and the physics of elementary particles. The book focuses on the likely possibility that the dark matter is composed of an as yet undiscovered elementary particle, and examines the boundaries of our present knowledge of the properties such a particle must possess.


Quantum Field Theory, as Simply as Possible

Quantum Field Theory, as Simply as Possible

Author: A. Zee

Publisher: Princeton University Press

Published: 2023-01-17

Total Pages: 392

ISBN-13: 0691174296

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An exceptionally accessible introduction to quantum field theory Quantum field theory is by far the most spectacularly successful theory in physics, but also one of the most mystifying. Quantum Field Theory, as Simply as Possible provides an essential primer on the subject, giving readers the conceptual foundations they need to wrap their heads around one of the most important yet baffling subjects in physics. Quantum field theory grew out of quantum mechanics in the late 1930s and was developed by a generation of brilliant young theorists, including Julian Schwinger and Richard Feynman. Their predictions were experimentally verified to an astounding accuracy unmatched by the rest of physics. Quantum field theory unifies quantum mechanics and special relativity, thus providing the framework for understanding the quantum mysteries of the subatomic world. With his trademark blend of wit and physical insight, A. Zee guides readers from the classical notion of the field to the modern frontiers of quantum field theory, covering a host of topics along the way, including antimatter, Feynman diagrams, virtual particles, the path integral, quantum chromodynamics, electroweak unification, grand unification, and quantum gravity. A unique and valuable introduction for students and general readers alike, Quantum Field Theory, as Simply as Possible explains how quantum field theory informs our understanding of the universe, and how it can shed light on some of the deepest mysteries of physics.


The Second Workshop on Grand Unification

The Second Workshop on Grand Unification

Author: LEVEILLE

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 330

ISBN-13: 1461259908

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Recently there has been rapid progress towards understanding the separate theories of the strong, weak and electromagnetic inter actions within the framework of the standard SU(3) x SU(2) x U(l) model. The purpose of the Second Workshop on Grand Unification was to discuss the physics beyond the standard model and the major topic was grand unified theories which unify the strong, weak and electromagnetic sectors. Grand unified theories are presently being used to calculate experimentally accessible quantities such as the proton lifetime and nucleon decay branching ratios. Meanwhile, experiments are currently being performed, and new, dedicated experiments mounted, to measure these quantities. Reports on these experimental and theoretical activities occupied much of the workshop. Furthermore, since grand unified theories allow one to extrapolate the behavior of the universe back to the first instants after the big bang, their cosmological implications and the constraints on these theories from cosmology were of great interest at the workshop. The conference opened with a keynote address by S. L. Glashow in which he discussed among other topics baryon minus lepton number conservation, neutrino masses and a neutrino-free universe. To maximize the interplay between theorists and experimentalists, theoretical and experimental talks were interleaved. An experimental highlight of the workshop was the presentation by S. Miyake of three candidate events for proton decay.