The sources of Schwinger's Green's functions - PubMed (original) (raw)
The sources of Schwinger's Green's functions
Silvan S Schweber. Proc Natl Acad Sci U S A. 2005.
Abstract
Julian Schwinger's development of his Green's functions methods in quantum field theory is placed in historical context. The relation of Schwinger's quantum action principle to Richard Feynman's path-integral formulation of quantum mechanics is reviewed. The nonperturbative character of Schwinger's approach is stressed as well as the ease with which it can be extended to finite temperature situations.
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References
- Ng, Y. J., ed. (1996) Julian Schwinger: The Physicist, The Teacher, and The Man (World Scientific, Singapore).
- Schwinger, J. (1996) in Julian Schwinger: The Physicist, The Teacher, and The Man, ed. Ng, Y. J. (World Scientific, Singapore), pp. 13–27.
- Schwinger, J., ed. (1958) Selected Papers on Quantum Electrodynamics (Dover, New York).
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