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Title: Quantum kinematics and dynamics (Frontiers in physics) by Julian Seymour Schwinger ISBN: 0-8053-8510-X Publisher: W. A. Benjamin Pub. Date: 1970 Format: Unknown Binding

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Average Customer Rating: 5 (1 review)

Rating: 5
Summary: A beautiful, highly advanced text on Quantum Mechanics.
Comment: Julian Schwinger was one of the greatest minds of our century. He learned, as I heard at one of his semminars, quantum mechanics by himself as he was about fourteen from the horse's mouth, that is, the great book of Dirac, "Principles of Quantum Mechanics". One could consider this book as built around Dirac's. It starts by introducing a pre-Dirac notation, symbols which represent measurements. These symbols "factor out" into Dirac's bras and kets when the system is in a pure state. The mathematical properties of these symbols, therefore, follow from the way quantum mechanics describes experiments. The dynamics is introduced through the use of an action principle, soon explicited in terms of continuous transformation groups whose infinitesimal generators include the observables. This action principle turns out to be a differential version of the now popular Feynman action principle, which introduced the concept of path integrals. Schwinger's book is a! barely explored mine of gold. Most of his ideas are there, waiting for you! I think this is the second most beautiful physics book I ever met. The first, of course, is Dirac's. I think Schwinger would agree with me.