Book 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. Schwinger s Quantum Action Principle From Dirac s Formulation Through Feynman s Path Integrals the Schwinger Keldysh Method Quantum Field Theory to Source Theory SpringerBriefs in Physics
Book Details:
Schwinger’s Quantum Action Principle PDF: From Diracs Formulation Through Feynmans Path Integrals The Schwinger-Keldysh Method Quantum Field Theory To Source Theory (Springerbriefs In Physics) |
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| Author | Kimball A. Milton |
| Isbn | 3319201271 |
| File size | 1.8 MB |
| Year | 2015 |
| Pages | 116 |
| Language | English |
| File format | |
| Category | Physics |
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