Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory

Starting from the earlier notions of stationary action principles, these tutorial notes shows how Schwinger’s Quantum Action Principle descended from Dirac’s formulation, which independently led Feynman to his path-integral formulation of quantum mechanics. Part I brings out in more detail the conne...

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Autor principal: Milton, Kimball A
Lenguaje:eng
Publicado: Springer 2015
Materias:
General Theoretical Physics
Acceso en línea:https://dx.doi.org/10.1007/978-3-319-20128-3
http://cds.cern.ch/record/2032394
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author Milton, Kimball A
author_facet Milton, Kimball A
author_sort Milton, Kimball A
collection CERN
description Starting from the earlier notions of stationary action principles, these tutorial notes shows how Schwinger’s Quantum Action Principle descended from Dirac’s formulation, which independently led Feynman to his path-integral formulation of quantum mechanics. Part I brings out in more detail the connection between the two formulations, and applications are discussed. Then, the Keldysh-Schwinger time-cycle method of extracting matrix elements is described. Part II will discuss the variational formulation of quantum electrodynamics and the development of source theory.
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spelling cern-20323942021-04-21T20:09:51Zdoi:10.1007/978-3-319-20128-3http://cds.cern.ch/record/2032394engMilton, Kimball ASchwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theoryGeneral Theoretical PhysicsStarting from the earlier notions of stationary action principles, these tutorial notes shows how Schwinger’s Quantum Action Principle descended from Dirac’s formulation, which independently led Feynman to his path-integral formulation of quantum mechanics. Part I brings out in more detail the connection between the two formulations, and applications are discussed. Then, the Keldysh-Schwinger time-cycle method of extracting matrix elements is described. Part II will discuss the variational formulation of quantum electrodynamics and the development of source theory.SpringerarXiv:1503.08091oai:cds.cern.ch:20323942015-03-27
spellingShingle General Theoretical Physics
Milton, Kimball A
Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title_full Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title_fullStr Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title_full_unstemmed Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title_short Schwinger's quantum action principle: from Dirac’s formulation through Feynman’s path integrals, the Schwinger-Keldysh method, quantum field theory, to source theory
title_sort schwinger's quantum action principle: from dirac’s formulation through feynman’s path integrals, the schwinger-keldysh method, quantum field theory, to source theory
topic General Theoretical Physics
url https://dx.doi.org/10.1007/978-3-319-20128-3
http://cds.cern.ch/record/2032394
work_keys_str_mv AT miltonkimballa schwingersquantumactionprinciplefromdiracsformulationthroughfeynmanspathintegralstheschwingerkeldyshmethodquantumfieldtheorytosourcetheory

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