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(Download) "Schwinger's Quantum Action Principle" by Kimball A. Milton ~ Book PDF Kindle ePub Free

Schwinger's Quantum Action Principle

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eBook details

  • Title: Schwinger's Quantum Action Principle
  • Author : Kimball A. Milton
  • Release Date : January 12, 2015
  • Genre: Physics,Books,Science & Nature,Mathematics,
  • Pages : * pages
  • Size : 2779 KB

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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