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The Nobel Prize in Physics 1965
Sin-Itiro Tomonaga, Julian Schwinger, Richard P. Feynman

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Julian Schwinger - Facts

Julian Schwinger

Julian Schwinger

Born: 12 February 1918, New York, NY, USA

Died: 16 July 1994, Los Angeles, CA, USA

Affiliation at the time of the award: Harvard University, Cambridge, MA, USA

Prize motivation: "for their fundamental work in quantum electrodynamics, with deep-ploughing consequences for the physics of elementary particles"

Field: quantum electrodynamics, quantum mechanics

Prize share: 1/3

Advanced the Theory of Quantum Electrodynamics

Following the successes of the theory of relativity and quantum mechanics, a first relativistic theory was formulated for the interaction of charged particles with electromagnetic fields. However, partly because the magnetic moment of the electron was somewhat larger than expected, the theory must be reformulated. Julian Schwinger solved this problem 1948 by so called renormalization and consequently contributed to a new quantum electrodynamics.

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