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商品詳細
Schwinger's Quantum Action Principle: From Dirac's Formulation Through Feynman's Path Integrals, the Schwinger-Keldysh Method, Quantum Field Theory, to Source Theory. 2015 ed.
・ISBN 978-3-319-20127-6 paper EUR 64.99
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| 著者・編者 | Milton, Kimball A., |
|---|---|
| シリーズ | (SpringerBriefs in Physics) |
| 出版社 | (Springer International Publishing AG, SZ) |
| 出版年月 | 2015 |
| ページ数 | 116 pp. |
| 言語 | ENG |
| ニュース番号 | ＜A05-43214＞ |
解説
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.