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Schwinger's Quantum Action Principle = From Dirac’s Formulation Through Feynman’s Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Schwinger's Quantum Action Principle/ by Kimball A. Milton.
Reminder of title:	From Dirac’s Formulation Through Feynman’s Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory /
Author:	Milton, Kimball A.
Description:	VIII, 116 p. 19 illus., 11 illus. in color.online resource. :
Contained By:	Springer Nature eBook
Subject:	Quantum physics. -
Online resource:	https://doi.org/10.1007/978-3-319-20128-3
ISBN:	9783319201283

Schwinger's Quantum Action Principle = From Dirac’s Formulation Through Feynman’s Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory /
Milton, Kimball A.

Schwinger's Quantum Action PrincipleFrom Dirac’s Formulation Through Feynman’s Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory /[electronic resource] :by Kimball A. Milton. - 1st ed. 2015. - VIII, 116 p. 19 illus., 11 illus. in color.online resource. - SpringerBriefs in Physics,2191-5423. - SpringerBriefs in Physics,.

Historical introduction -- Review of classical action principles -- Classical field theory - electrodynamics -- Quantum Action Principle -- Time-cycle or Schwinger-keldysh Formulation -- Relativistic Theory of Fields -- Nonrelativistic Source theory -- Concluding remarks.

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.

ISBN: 9783319201283

Standard No.: 10.1007/978-3-319-20128-3doiSubjects--Topical Terms:

1179090
Quantum physics.

LC Class. No.: QC173.96-174.52

Dewey Class. No.: 530.12

Schwinger's Quantum Action Principle = From Dirac’s Formulation Through Feynman’s Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory /
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