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Author: Kerson Huang
Publisher: World Scientific
ISBN: 9812706445
Category : Science
Languages : en
Pages : 285
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Book Description
Gauge fields are the messengers carrying signals between elementary particles, enabling them to interact with each other. Originating at the level of quarks, these basic interactions percolate upwards, through nuclear and atomic physics, through chemical and solid state physics, to make our everyday world go round. This book tells the story of gauge fields, from Maxwell's 1860 theory of electromagnetism to the 1954 theory of Yang and Mills that underlies the Standard Model of elementary particle theory. In the course of the narration, the author introduces people and events in experimental and theoretical physics that contribute to ideas that have shaped our conception of the physical world.
Author: Kerson Huang
Publisher: World Scientific
ISBN: 9812706445
Category : Science
Languages : en
Pages : 285
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Book Description
Gauge fields are the messengers carrying signals between elementary particles, enabling them to interact with each other. Originating at the level of quarks, these basic interactions percolate upwards, through nuclear and atomic physics, through chemical and solid state physics, to make our everyday world go round. This book tells the story of gauge fields, from Maxwell's 1860 theory of electromagnetism to the 1954 theory of Yang and Mills that underlies the Standard Model of elementary particle theory. In the course of the narration, the author introduces people and events in experimental and theoretical physics that contribute to ideas that have shaped our conception of the physical world.
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: Paul F. Kisak
Publisher: Createspace Independent Publishing Platform
ISBN: 9781548453275
Category :
Languages : en
Pages : 226
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Book Description
In physics, the fundamental forces, are the interactions that do not appear to be reducible to more basic interactions. There are four conventionally accepted fundamental interactions-gravitational, electromagnetic, strong, and weak. Each one is described mathematically as a field. The gravitational force is modelled as a continuous classical field. The other three, part of the Standard Model of particle physics, are described as discrete quantum fields, and their interactions are each carried by a quantum, an elementary particle. The strong and weak interactions have short ranges, producing forces at minuscule, subatomic distances; these forces govern nuclear interactions. The strong interaction, which is carried by the gluon particle, is responsible for the binding of quarks together to form hadrons, such as protons and neutrons. As a residual effect, it creates the nuclear force that binds the latter particles to form atomic nuclei. The weak interaction, which is carried by the W and Z particles, also acts on the nucleus, mediating radioactive decay. The other two, electromagnetism and gravity, produce significant forces at macroscopic scales where the effects can be seen directly in everyday life. The electromagnetic force, carried by the photon, creates electric and magnetic fields, which are responsible for chemical bonding and are used in electrical technology. Electromagnetic forces tend to cancel each other out when large collections of objects are considered, so over the largest distances (on the scale of planets and galaxies), gravity tends to be the dominant force. All four fundamental forces are believed to be related, and to unite into a single force at high energies on a minuscule scale, the Planck scale, but particle accelerators cannot produce the enormous energies required to experimentally probe this. A goal of theoretical physicists working beyond the Standard Model is to quantize the gravitational field, yielding a theory of quantum gravity (QG) which would unite gravity in a common theoretical framework with the other three forces. Other theorists seek to unite the electroweak and strong fields within a Grand Unified Theory (GUT). Some theories, notably string theory, seek both QG and GUT within one framework, unifying all four fundamental interactions along with mass generation within a theory of everything (ToE). A few researchers have interpreted various anomalous observations in physics as evidence for a fifth force, but this is not widely accepted. This book is designed to be a state of the art, superb academic reference work and provide an overview of the topic and give the reader a structured knowledge to familiarize yourself with the topic at the most affordable price possible. The accuracy and knowledge is of an international viewpoint as the edited articles represent the inputs of many knowledgeable individuals and some of the most current knowledge on the topic, based on the date of publication.
Author: Luciano Maiani
Publisher: World Scientific Publishing Company
ISBN: 9814733512
Category : Science
Languages : en
Pages : 483
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Book Description
The book gives a quite complete and up-to-date picture of the Standard Theory with an historical perspective, with a collection of articles written by some of the protagonists of present particle physics. The theoretical developments are described together with the most up-to-date experimental tests, including the discovery of the Higgs Boson and the measurement of its mass as well as the most precise measurements of the top mass, giving the reader a complete description of our present understanding of particle physics.
Author: Jacob N. Israelachvili
Publisher: Academic Press
ISBN: 0123919339
Category : Science
Languages : en
Pages : 708
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Book Description
Intermolecular and Surface Forces describes the role of various intermolecular and interparticle forces in determining the properties of simple systems such as gases, liquids and solids, with a special focus on more complex colloidal, polymeric and biological systems. The book provides a thorough foundation in theories and concepts of intermolecular forces, allowing researchers and students to recognize which forces are important in any particular system, as well as how to control these forces. This third edition is expanded into three sections and contains five new chapters over the previous edition. - Starts from the basics and builds up to more complex systems - Covers all aspects of intermolecular and interparticle forces both at the fundamental and applied levels - Multidisciplinary approach: bringing together and unifying phenomena from different fields - This new edition has an expanded Part III and new chapters on non-equilibrium (dynamic) interactions, and tribology (friction forces)
Author: Christoph Menke
Publisher: Fordham Univ Press
ISBN: 0823249727
Category : Philosophy
Languages : en
Pages : 129
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Book Description
The book aims at a new exposition of the basic idea of modern aesthetics by way of a reconstruction of its genesis in the 18th century, between Baumgarten''s Aesthetics and Kant''s Critique of Judgment. The claim is that the historical invention of aesthetics was not about expanding the range of legitimate objects of philosophical inquiry--these objects all existed before aesthetics. Rather, aesthetics, by introducing the category of the "aesthetic," fundamentally redefined these objects. But most importantly, the reconstruction of the historical genesis of aesthetics shows that the introduction of the category of the "aesthetic" required nothing less than a transformation of the fundamental terms of philosophy. What begins in--or as--aesthetics is modern philosophy. More precisely, Force shows that in--or as--aesthetics modern philosophy began twice, in two different, even opposite forms. On the one hand, Baumgarten''s Aesthetics is organized around the new concept of the "subject": the concept of the subject as the totality of faculties, as the agent defined by his capabilities; of the subject as one who is able. By conceiving sensible cognition and (re)presentation as the exercise of subjective faculties acquired in practice, Baumgarten has framed the modern conception of human practices (and of philosophy as the inquiry into the conditions that enable the success of these practices). That is why aesthetics, the reflection upon the aesthetic, is a central pillar of modern philosophy: in aesthetics, the philosophy of the subject or of the subject''s faculties assures itself of its own possibility. Yet here, in the aesthetic and the reflection on it, the aesthetics "in the Baumgartian manner" (Herder), as the theory of the sensible faculties of the subject, at once faces a different aesthetics: the aesthetics of force, which conceives the aesthetic not as sensible cognition but instead as a play of expression--propelled by a force that, rather than being exercised, like a faculty, in practices, realizes itself; a force that does not recognize or represent anything because it is "obscure" and unconscious; a force not of the subject but of man as distinct from the same man as subject. The aesthetics of force is a science of the nature of man: of his aesthetic nature as distinct from the culture, acquired by practice, of his practices. That is the hypothesis the six chapters of Force intend to unfold. The first chapter, analyzing the rationalist concept of the sensible, recollects the point of departure of aesthetics: the sensible is that which is without determinable definition or measure. The second chapter reconstructs Baumgarten''s aesthetics of sensible cognition as a theory of the subject and its faculties. The third and fourth chapters draw on writings by Herder, Sulzer, and Mendelssohn to develop the basic motifs of a counter-model, an aesthetics of force: the aesthetic, as the operation of an "obscure" force, is a performance without generality, divorced from all norm, law, and purpose--a play. And the aesthetic, as the pleasure of self-reflection, is a process of the transformation of the subject, of its faculties and practices--a process of aestheticization. The aesthetics of force founds an anthropology of difference: between force and faculty, between man and subject. The two concluding chapters explore the consequences: for the idea of philosophical aesthetics; and for ethics as the theory of the good. The fifth chapter engages Kant to show that an aesthetics conceived as an aesthetics of force is the scene of an irresolvable contention: aesthetics unfolds within philosophy the contention between philosophy and aesthetic experience. The sixth chapter draws on Nietzsche to demonstrate the ethical import of aesthetic experience as the experience of the play of force: it teaches us to distinguish between action and life; it teaches the other good of life. - "The last word of aesthetics is human freedom."
Author: David W. Thomson III
Publisher: The Aenor Trust
ISBN: 0972425128
Category : Science
Languages : en
Pages : 304
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Book Description
Author David Thomson and Jim Bourassa have founded the Quantum AetherDynamics Institute, an organization dedicated to understanding the Aether. For the first time in human history, the Aether is fully quantified based upon empirical data. Through a very simple observation noted nearly 200 years ago by Charles Coulomb, the electromagnetic units have been corrected of an error that has led physics astray for so long. Now, electrodynamics expresses in simple dimensional equations, the neurosciences unite with quantum and classical physics, and we can precisely model the geometry of subatomic particles.
Author: Claus Gerhardt
Publisher: Springer Nature
ISBN: 3031679229
Category :
Languages : en
Pages : 269
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Book Description
Author: Marcus Chown
Publisher: Simon and Schuster
ISBN: 1681775948
Category : Science
Languages : en
Pages : 239
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Book Description
Why the force that keeps our feet on the ground holds the key to understanding the nature of time and the origin of the universe. Gravity is the weakest force in the everyday world yet it is the strongest force in the universe. It was the first force to be recognized and described yet it is the least understood. It is a "force" that keeps your feet on the ground yet no such force actually exists. Gravity, to steal the words of Winston Churchill, is "a riddle, wrapped in a mystery, inside an enigma." And penetrating that enigma promises to answer the biggest questions in science: what is space? What is time? What is the universe? And where did it all come from? Award-winning writer Marcus Chown takes us on an unforgettable journey from the recognition of the "force" of gravity in 1666 to the discovery of gravitational waves in 2015. And, as we stand on the brink of a seismic revolution in our worldview, he brings us up to speed on the greatest challenge ever to confront physics.
Author: Ephraim Fischbach
Publisher: Springer Science & Business Media
ISBN: 1461214386
Category : Science
Languages : en
Pages : 313
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Book Description
A history of the attempts to test the predictions of Newtonian Gravity, describing in detail recent experimental efforts to verify both the inverse-square law and the Equivalence Principle. Interest in these questions has increased in recent years, as it has become recognised that deviations from Newtonian gravity could be a signal for a new fundamental force in nature. This is the first book devoted entirely to this subject, and will thus be useful to both graduate students and researchers interested in this field. It describes the ideas that underlie searches for such deviations, focusing on macroscopic tests. A comprehensive bibliography of some 450 entries supplements the text.
