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Feynman's Thesis - A New Approach To Quantum Theory Laurie M Brown (Northwestern Univ, Usa)

Feynman's Thesis - A New Approach To Quantum Theory par Laurie M Brown (Northwestern Univ, Usa)

Feynman's Thesis - A New Approach To Quantum Theory Laurie M Brown (Northwestern Univ, Usa)

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Résumé

Focusses on Richard Feynman's doctoral thesis that formed the heart of much of his work in theoretical physics. This book includes his Princeton thesis, the related review article Space-Time Approach to Non-Relativistic Quantum Mechanics, Paul Dirac's seminal paper The Lagrangian in Quantum Mechanics'', and an introduction by Laurie M Brown.

Feynman's Thesis - A New Approach To Quantum Theory Résumé

Feynman's Thesis - A New Approach To Quantum Theory Laurie M Brown (Northwestern Univ, Usa)

Richard Feynman's never previously published doctoral thesis formed the heart of much of his brilliant and profound work in theoretical physics. Entitled The Principle of Least Action in Quantum Mechanics,' its original motive was to quantize the classical action-at-a-distance electrodynamics. Because that theory adopted an overall space-time viewpoint, the classical Hamiltonian approach used in the conventional formulations of quantum theory could not be used, so Feynman turned to the Lagrangian function and the principle of least action as his points of departure.The result was the path integral approach, which satisfied - and transcended - its original motivation, and has enjoyed great success in renormalized quantum field theory, including the derivation of the ubiquitous Feynman diagrams for elementary particles. Path integrals have many other applications, including atomic, molecular, and nuclear scattering, statistical mechanics, quantum liquids and solids, Brownian motion, and noise theory. It also sheds new light on fundamental issues like the interpretation of quantum theory because of its new overall space-time viewpoint.The present volume includes Feynman's Princeton thesis, the related review article Space-Time Approach to Non-Relativistic Quantum Mechanics [Reviews of Modern Physics 20 (1948), 367-387], Paul Dirac's seminal paper The Lagrangian in Quantum Mechanics'' [Physikalische Zeitschrift der Sowjetunion, Band 3, Heft 1 (1933)], and an introduction by Laurie M Brown.

Feynman's Thesis - A New Approach To Quantum Theory Avis

The young Feynman revealed here was full of invention, verve, and ambition. His new approach to quantum mechanics, after simmering for decades beneath the surface of theoretical physics, burst into new prominence in the 1970s. Now its influence is pervasive, and still expanding. Feynman's original presentation is not only uniquely clear, but also contains insights and perspectives that are not widely known, and might well provide ammunition for another explosion or two. Frank Wilczek 2004 Physics Nobel Laureate Historians and physicists alike will enjoy this easy-to-read little book ... The thesis itself is a masterpiece of clear exposition ... it is written in Feynman's uniquely chatty style, and reminiscent of the famous Feynman lectures. It is a delight to read and is likely to offer an insight, even to non-physicists, into both physics and the workings of Feynman's mind. I would not hesitate to recommend the book to anyone -- working physicists, historians, philosophers and even 'curious fellows' who would like to 'peak over the shoulder' of one of the 20th century's great physicists at work. CERN Courier The path integral approach is now something that every graduate student in theoretical physics is supposed to know ... the thesis provides a very good background for the way these ideas came about. The two companion articles, although available in print, also gives a complete picture of the development of this line of thinking. The helpful introductory remarks by the editor also puts things in the proper historical perspective. This book would be very helpful to anyone interested in the development of modern ideas in physics. Classical and Quantum Gravity

Sommaire

# Least Action in Classical Mechanics: # The Concept of Functional # The Principle of Least Action # Conservation of Energy. Constants of the Motion # Particles Interacting Through an Intermediate Oscillator # Least Action in Quantum Mechanics: # The Lagrangian in Quantum Mechanics # The Calculation of Matrix Elements in the Language of a Lagrangian # The Equations of Motion in Lagrangian Form # Translation to the Ordinary Notation of Quantum Mechanics # The Generalization to Any Action Function # Conservation of Energy. Constants of the Motion # The Role of the Wave Function # Transition Probabilities # Expectation Values for Observables # Application to the Forced Harmonic Oscillator # Particles Interacting Through an Intermediate Oscillator # Space-Time Approach to Non-Relativistic Quantum Mechanics # The Lagrangian in Quantum Mechanics

Informations supplémentaires

GOR006982151
9789812563668
9812563660
Feynman's Thesis - A New Approach To Quantum Theory Laurie M Brown (Northwestern Univ, Usa)
Laurie M Brown (Northwestern Univ, Usa)
Occasion - Très bon état
Relié
World Scientific Publishing Co Pte Ltd
20050829
144
N/A
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