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Uncommon Paths in Quantum Physics

Uncommon Paths in Quantum Physics
A Book

by Konstantin V. Kazakov

  • Publisher : Elsevier
  • Release : 2014-06-26
  • Pages : 206
  • ISBN : 0128015985
  • Language : En, Es, Fr & De
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Quantum mechanics is one of the most fascinating, and at the same time most controversial, branches of contemporary science. Disputes have accompanied this science since its birth and have not ceased to this day. Uncommon Paths in Quantum Physics allows the reader to contemplate deeply some ideas and methods that are seldom met in the contemporary literature. Instead of widespread recipes of mathematical physics, based on the solutions of integro-differential equations, the book follows logical and partly intuitional derivations of non-commutative algebra. Readers can directly penetrate the abstract world of quantum mechanics. First book in the market that treats this newly developed area of theoretical physics; the book will thus provide a fascinating overview of the prospective applications of this area, strongly founded on the theories and methods that it describes. Provides a solid foundation for the application of quantum theory to current physical problems arising in the interpretation of molecular spectra and important effects in quantum field theory. New insight into the physics of anharmonic vibrations, more feasible calculations with improved precision.

Path Integral Approach to Quantum Physics

Path Integral Approach to Quantum Physics
An Introduction

by Gert Roepstorff

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 387
  • ISBN : 3642578861
  • Language : En, Es, Fr & De
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Specifically designed to introduce graduate students to the functional integration method in contemporary physics as painlessly as possible, the book concentrates on the conceptual problems inherent in the path integral formalism. Throughout, the striking interplay between stochastic processes, statistical physics and quantum mechanics comes to the fore, and all the methods of fundamental interest are generously illustrated by important physical examples.

Introduction to Quantum Mechanics

Introduction to Quantum Mechanics
Schrödinger Equation and Path Integral Second Edition

by Harald J W Müller-Kirsten

  • Publisher : World Scientific Publishing Company
  • Release : 2012-07-19
  • Pages : 944
  • ISBN : 9814397768
  • Language : En, Es, Fr & De
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This text on quantum mechanics begins by covering all the main topics of an introduction to the subject. It then concentrates on newer developments. In particular it continues with the perturbative solution of the Schrödinger equation for various potentials and thereafter with the introduction and evaluation of their path integral counterparts. Considerations of the large order behavior of the perturbation expansions show that in most applications these are asymptotic expansions. The parallel consideration of path integrals requires the evaluation of these around periodic classical configurations, the fluctuation equations about which lead back to specific wave equations. The period of the classical configurations is related to temperature, and permits transitions to the thermal domain to be classified as phase transitions. In this second edition of the text important applications and numerous examples have been added. In particular, the chapter on the Coulomb potential has been extended to include an introduction to chemical bonds, the chapter on periodic potentials has been supplemented by a section on the band theory of metals and semiconductors, and in the chapter on large order behavior a section has been added illustrating the success of converging factors in the evaluation of asymptotic expansions. Detailed calculations permit the reader to follow every step.

Making Sense of Quantum Mechanics

Making Sense of Quantum Mechanics
A Book

by Jean Bricmont

  • Publisher : Springer
  • Release : 2016-01-12
  • Pages : 331
  • ISBN : 3319258893
  • Language : En, Es, Fr & De
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This book explains, in simple terms, with a minimum of mathematics, why things can appear to be in two places at the same time, why correlations between simultaneous events occurring far apart cannot be explained by local mechanisms, and why, nevertheless, the quantum theory can be understood in terms of matter in motion. No need to worry, as some people do, whether a cat can be both dead and alive, whether the moon is there when nobody looks at it, or whether quantum systems need an observer to acquire definite properties. The author’s inimitable and even humorous style makes the book a pleasure to read while bringing a new clarity to many of the longstanding puzzles of quantum physics.

Fractional Statistics and Quantum Theory

Fractional Statistics and Quantum Theory
A Book

by Avinash Khare

  • Publisher : World Scientific
  • Release : 2005
  • Pages : 300
  • ISBN : 9812567755
  • Language : En, Es, Fr & De
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This book explains the subtleties of quantum statistical mechanics in lower dimensions and their possible ramifications in quantum theory. The discussion is at a pedagogical level and is addressed to both graduate students and advanced researchers with a reasonable background in quantum and statistical mechanics. Topics in the first part of the book include the flux tube model of anyons, the braid group and a detailed discussion about the various aspects of quantum and statistical mechanics of a noninteracting anyon gas. The second part of the book includes a detailed discussion about fractional statistics from the point of view of ChernOCoSimons theories. Topics covered here include ChernOCoSimons field theories, charged vortices, anyon superconductivity and the fractional quantum Hall effect. Since the publication of the first edition of the book, an exciting possibility has emerged, that of quantum computing using anyons. A section has therefore been included on this topic in the second edition. In addition, new sections have been added about scattering of anyons with hard disk repulsion as well as fractional exclusion statistics and negative probabilities."

Uncommon Knowledge

Uncommon Knowledge
New Science of Gravity, Light, the Origin of Life, and the Mind of Man

by Al McDowell

  • Publisher : Author House
  • Release : 2008-09-15
  • Pages : 387
  • ISBN : 1438912846
  • Language : En, Es, Fr & De
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This book develops new science of gravity and light based on the century-old Le Sage theory of an "ether" that was replaced by Einstein's Theory of Relativity. After presenting astrophysical data contradicting the theory that the universe is expanding from a Big Bang, experiments believed to prove Relativity are shown to actually prove the ether theory instead. Freedom from the speed limit of light enables a science of subatomic particles traveling faster than light to produce gravity, electric and magnetic fields, light, and radio waves. Major technical innovations include solving the two fundamental problems with the Le Sage gravity theory and extending this theory to electromagnetism and consciousness. This is a "theory of everything" that explains the heretofore-unknown causes of the forces of nature. This book builds on the works of Zecharia Sitchin and other authors to explain how life developed on Earth and that evolution requires direction from intelligence that dwells in the subatomic particles on which this theory of gravity and light is based. Our biblical God is shown to be a composite of Sitchin's extraterrestrial "gods" who colonized Earth and the intelligence that dwells alongside our own mind in the particles from which the universe is constructed and powered.

Not Even Wrong

Not Even Wrong
The Failure of String Theory and the Continuing Challenge to Unify the Laws of Physics

by Peter Woit

  • Publisher : Random House
  • Release : 2011-08-31
  • Pages : 304
  • ISBN : 1446443019
  • Language : En, Es, Fr & De
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Not Even Wrong is a fascinating exploration of our attempts to come to grips with perhaps the most intellectually demanding puzzle of all: how does the universe work at its most fundamnetal level? The book begins with an historical survey of the experimental and theoretical developments that led to the creation of the phenomenally successful 'Standard Model' of particle physics around 1975. Despite its successes, the Standard Model does not answer all the key questions and physicists continuing search for answers led to the development of superstring theory. However, after twenty years, superstring theory has failed to advance beyond the Standard Model. The absence of experimental evidence is at the core of this controversial situation which means that it is impossible to prove that superstring theory is either right or wrong. To date, only the arguments of the theory's advocates have received much publicity. Not Even Wrong provides readers with another side of the story.

The Quantum Theory of Atoms in Molecules

The Quantum Theory of Atoms in Molecules
From Solid State to DNA and Drug Design

by Chérif F. Matta,Russell J. Boyd

  • Publisher : John Wiley & Sons
  • Release : 2007-06-27
  • Pages : 567
  • ISBN : 3527610693
  • Language : En, Es, Fr & De
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This book distills the knowledge gained from research into atoms in molecules over the last 10 years into a unique, handy reference. Throughout, the authors address a wide audience, such that this volume may equally be used as a textbook without compromising its research-oriented character. Clearly structured, the text begins with advances in theory before moving on to theoretical studies of chemical bonding and reactivity. There follow separate sections on solid state and surfaces as well as experimental electron densities, before finishing with applications in biological sciences and drug-design. The result is a must-have for physicochemists, chemists, physicists, spectroscopists and materials scientists.

Modern Quantum Mechanics

Modern Quantum Mechanics
A Book

by J. J. Sakurai,Jim Napolitano

  • Publisher : Cambridge University Press
  • Release : 2017-09-21
  • Pages : 129
  • ISBN : 1108527426
  • Language : En, Es, Fr & De
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Modern Quantum Mechanics is a classic graduate level textbook, covering the main quantum mechanics concepts in a clear, organized and engaging manner. The author, Jun John Sakurai, was a renowned theorist in particle theory. The second edition, revised by Jim Napolitano, introduces topics that extend the text's usefulness into the twenty-first century, such as advanced mathematical techniques associated with quantum mechanical calculations, while at the same time retaining classic developments such as neutron interferometer experiments, Feynman path integrals, correlation measurements, and Bell's inequality. A solution manual for instructors using this textbook can be downloaded from www.cambridge.org/9781108422413.

The Quantum Physicists

The Quantum Physicists
And an Introduction to Their Physics

by William H. Cropper

  • Publisher : Oxford University Press
  • Release : 1970-01-15
  • Pages : 270
  • ISBN : 0198020104
  • Language : En, Es, Fr & De
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An absorbing narrative of the development of quantum physics and of the human endeavors of the scientists involved.

Uncommon Sense

Uncommon Sense
A Book

by J. Robert Oppenheimer

  • Publisher : Springer Science & Business Media
  • Release : 2013-11-09
  • Pages : 196
  • ISBN : 1468467352
  • Language : En, Es, Fr & De
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J. Robert Oppenheimer, a leading physicist in the Manhattan Project, recognized that scientific inquiry and discovery could no longer be separated from their effect on political decision-making, social responsibility, and human endeavor in general. He openly addressed issues of common concern and as a scientist accepted the responsibility brought about by nuclear physics and the atom bomb. In this collection of essays and speeches, Oppenheimer discusses the shift in scientific awareness and its impact on education, the question of openness in a society forced to keep secrets, the conflict between individual concerns and public and political necessity, the future of science and its effects on future politics---in short, the common and uncommon sense we find in our modern day reality.

Introduction to Quantum Mechanics

Introduction to Quantum Mechanics
Schrödinger Equation and Path Integral

by Harald J W Müller-Kirsten

  • Publisher : World Scientific Publishing Company
  • Release : 2006-03-03
  • Pages : 828
  • ISBN : 9813101873
  • Language : En, Es, Fr & De
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After a consideration of basic quantum mechanics, this introduction aims at a side by side treatment of fundamental applications of the Schrödinger equation on the one hand and the applications of the path integral on the other. Different from traditional texts and using a systematic perturbation method, the solution of Schrödinger equations includes also those with anharmonic oscillator potentials, periodic potentials, screened Coulomb potentials and a typical singular potential, as well as the investigation of the large order behavior of the perturbation series. On the path integral side, after introduction of the basic ideas, the expansion around classical configurations in Euclidean time, such as instantons, is considered, and the method is applied in particular to anharmonic oscillator and periodic potentials. Numerous other aspects are treated on the way, thus providing the reader an instructive overview over diverse quantum mechanical phenomena, e.g. many other potentials, Green's functions, comparison with WKB, calculation of lifetimes and sojourn times, derivation of generating functions, the Coulomb problem in various coordinates, etc. All calculations are given in detail, so that the reader can follow every step.

An Introduction to Quantum Optics

An Introduction to Quantum Optics
Photon and Biphoton Physics

by Yanhua Shih

  • Publisher : CRC Press
  • Release : 2018-12-07
  • Pages : 484
  • ISBN : 042989306X
  • Language : En, Es, Fr & De
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Authored by a highly regarded international researcher and pioneer in the field, An Introduction to Quantum Optics: Photon and Biphoton Physics is a straightforward overview of basic principles and experimental evidence for the quantum theory of light. This book introduces and analyzes some of the most exciting experimental research to date in the field of quantum optics and quantum information, helping readers understand the revolutionary changes occurring in optical science. Paints a picture of light in terms of general quantum interference, to reflect the physical truth behind all optical observations Unlike most traditional books on the subject, this one introduces fundamental classical and quantum concepts and measurement techniques naturally and gradually as it explores the process of analyzing typical experimental observations. Separating itself from other books with this uncommon focus on the experimental part of analysis, this volume: Provides a general overview of the optical coherence of light without quantization Introduces concepts and tools of field quantization and quantum optics based on the principles and rules of quantum mechanics Analyzes similarities and differences between classical and quantum coherence Concentrates on key research topics in quantum optics Explains photon and biphoton physics by examining the devices and experimental procedures used to test theories This book is basic enough for students, but it also covers a broad range of higher-level concepts that will benefit scientists and other professionals seeking to enhance their understanding of practical and theoretical aspects and new experimental methods of measurement. This material summarizes exciting developments and observations and then helps readers of all levels apply presented concepts and tools to summarize, analyze, and resolve quantum optical problems in their own work. It is a great aid to improve methods of discovering new physics and better understand and apply nontraditional concepts and interpretations in both new and historical experimental discoveries.

Quantum Theory of Chemical Reactions

Quantum Theory of Chemical Reactions
1: Collision Theory, Reaction Path, Static Indices

by R. Daudel,A. Pullman,L. Salem,A. Veillard

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 256
  • ISBN : 9400995164
  • Language : En, Es, Fr & De
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This treatise is devoted to an analysis of the present state of the quantum theory of chemical reactions. It will be divided into three volumes and will contain the contributions to an international seminar organized by the editors. The first one, is concerned with the fundamental problems which occur when studying a gas phase reaction or a reaction for which the solvent effect is not taken into account. The two first papers show how the collision theory can be used to predict the behaviour of interacting small molecules. For large molecules the complete calculations are not possible. We can only estimate the reaction path by calculating important areas of the potential surfaces. Four papers are concerned with this important pro cess. Furthermore, in one of these, the electronic reorganization which occurs along the reaction path is carefully analyzed. ~~o papers are devoted to the discussion of general rules as aromaticity rules, symmetry rules. The last two papers are concerned with the electrostatic molecular poten tial method which is the modern way of using static indices to establish relations between structure and chemical reactivity. Volume II will be devoted to a detailed analysis of the role of the solvent and volume III will present important applications as reaction mechanisms, photochemistry, catalysis, biochemical reactions and drug design. SOME RECENT DEVELOPMENTS IN THE MOLECULAR TREATMENT OF ATOM-ATOM COLLISIONS.

Engineering and Science

Engineering and Science
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1965
  • Pages : 129
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Wandering Towards a Goal

Wandering Towards a Goal
How Can Mindless Mathematical Laws Give Rise to Aims and Intention?

by Anthony Aguirre,Brendan Foster,Zeeya Merali

  • Publisher : Springer
  • Release : 2018-05-30
  • Pages : 254
  • ISBN : 3319757261
  • Language : En, Es, Fr & De
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This collection of prize-winning essays addresses the controversial question of how meaning and goals can emerge in a physical world governed by mathematical laws. What are the prerequisites for a system to have goals? What makes a physical process into a signal? Does eliminating the homunculus solve the problem? The three first-prize winners, Larissa Albantakis, Carlo Rovelli and Jochen Szangolies tackle exactly these challenges, while many other aspects (agency, the role of the observer, causality versus teleology, ghosts in the machine etc.) feature in the other award winning contributions. All contributions are accessible to non-specialists. These seventeen stimulating and often entertaining essays are enhanced versions of the prize-winning entries to the FQXi essay competition in 2017.The Foundational Questions Institute, FQXi, catalyzes, supports, and disseminates research on questions at the foundations of physics and cosmology, particularly new frontiers and innovative ideas integral to a deep understanding of reality, but unlikely to be supported by conventional funding sources.

The Path to Post-Galilean Epistemology

The Path to Post-Galilean Epistemology
Reinterpreting the Birth of Modern Science

by Danilo Capecchi

  • Publisher : Springer
  • Release : 2017-08-01
  • Pages : 543
  • ISBN : 3319583107
  • Language : En, Es, Fr & De
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This book casts new light on the process that in the sixteenth and seventeenth centuries led to a profound transformation in the study of nature with the emergence of mechanistic philosophy, the new mixed mathematics, and the establishment of the experimental approach. It is argued that modern European science originated from Hellenistic mathematics not so much because of rediscovery of the latter but rather because its “applied” components, namely mechanics, optics, harmonics, and astronomy, and their methodologies continued to be transmitted throughout the Middle Ages without serious interruption. Furthermore, it is proposed that these “applied” components played a role in their entirety; thus, for example, “new” mechanics derived not only from “old” mechanics but also from harmonics, optics, and astronomy. Unlike other texts on the subject, the role of mathematicians is stressed over that of philosophers of nature and the focus is particularly on epistemological aspects. In exploring Galilean and post-Galilean epistemology, attention is paid to the contributions of Galileo’s disciples and also the impact of his enemies. The book will appeal to both historians of science and scientists.

Quantum-Classical Analogies

Quantum-Classical Analogies
A Book

by Daniela Dragoman,Mircea Dragoman

  • Publisher : Springer Science & Business Media
  • Release : 2013-04-09
  • Pages : 344
  • ISBN : 3662096471
  • Language : En, Es, Fr & De
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It is unanimously accepted that the quantum and the classical descriptions of the physical reality are very different, although any quantum process is "mysteriously" transformed through measurement into an observable classical event. Beyond the conceptual differences, quantum and classical physics have a lot in common. And, more important, there are classical and quantum phenomena that are similar although they occur in completely different contexts. For example, the Schrödinger equation has the same mathematical form as the Helmholtz equation, there is an uncertainty relation in optics very similar to that in quantum mechanics, and so on; the list of examples is very long. Quantum-classical analogies have been used in recent years to study many quantum laws or phenomena at the macroscopic scale, to design and simulate mesoscopic devices at the macroscopic scale, to implement quantum computer algorithms with classical means, etc. On the other hand, the new forms of light – localized light, frozen light – seem to have more in common with solid state physics than with classical optics. So these analogies are a valuable tool in the quest to understand quantum phenomena and in the search for new (quantum or classical) applications, especially in the area of quantum devices and computing.

Quantum Consciousness

Quantum Consciousness
A Book

by Richard Potter

  • Publisher : Lulu Press, Inc
  • Release : 2019-11-17
  • Pages : 129
  • ISBN : 024483718X
  • Language : En, Es, Fr & De
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Quantum Consciousness What is quantum mind, super, and Quantum, consciousness, theorists? Interpretations of quantum mechanics Einsteins's thought experiment Quantum mechanics,

Megalithic Science's General Quantum Theory

Megalithic Science's General Quantum Theory

by Selma Gralher

  • Publisher : Paragon Publishing
  • Release : 2018-01-24
  • Pages : 212
  • ISBN : 1782225013
  • Language : En, Es, Fr & De
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The author is an experienced systems and organisational analyst who examined ancient sources with present-day analytical methods to retrieve our ancestors' sciences. This uncovered a general quantum theory offering answers to current questions such as, • Why do galaxies form spiral arms? • Why is the universe expanding at an accelerating rate? • What can travel through a black hole? • What does dark matter do? • Where does dark energy come from? • What does String Theory describe? • Why is it impossible to detect gravitons? • Which other boson types exist, what do they do, and when is the best time to spot them? This systematic analysis builds on the findings of experts from diverse scientific domains. It examines a selection of ancient traditions and texts in the context of more than 200 artefacts dating from before the Neolithic to pre-Renaissance times. Accounts & Findings Prof. Henri d’Arbois de Jubainville Prof. Christian-J. Guyonvarc’h Prof. R. A. Stewart Macalister Prof. Joseph Déchelette Prof. Henri Hubert Prof. Rudolf Egger Prof. Alexander Thom Prof. Donald C. Heggie Prof. Paul-Henri Michel Jean Markale Prof. Hermann Diels Prof. Helge S. Kragh Prof. Paul Dirac Prof. Stephen Hawking Prof. Werner Heisenberg Plutarch Demetrius Pythagoras Anaximander Empedocles Anaxagoras Michel de Castelnau ..and others Traditions & Artefacts Do Suidigud Tellaich Temra Cath Maighe Tuireadh Táin Bó Cúalgne Senchus Môr Saltair na Rann Forbuis Droma Damghaire Leabhar na hUidre Auraicept na nÉces Immacallam in dá Thúarad Book of Ballymote Coligny calendar Lascaux cave paintings Standing Stone of Rathduff Aberlemno Standing Stones Nigg Stone Serpent Stone Rodney Stone Tangendorf disk Bahrendorf fibula ..and many others