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Julian Seymour Schwinger (/ ˈ ʃ w ɪ ŋ ər /; February 12, 1918 – July 16, 1994) was a Nobel Prize-winning American theoretical physicist. He is best known for his work on quantum electrodynamics (QED), in particular for developing a relativistically invariant perturbation theory , and for renormalizing QED to one loop order.
Julian Schwinger (Nova Iorque, 12 de fevereiro de 1918 — Los Angeles, 16 de julho de 1994) foi um físico estadunidense. Foi laureado com o Nobel de Física de 1965, por trabalhos fundamentais em eletrodinâmica quântica, com implicações fundamentais na física de partículas.
Biographical. Julian Schwinger was born on 12th February 1918 in New York City. The principal direction of his life was fixed at an early age by an intense awareness of physics, and its study became an all-engrossing activity. To judge by a first publication, he debuted as a professional physicist at the age of sixteen.
8 de abr. de 2024 · Julian Seymour Schwinger (born Feb. 12, 1918, New York, N.Y., U.S.—died July 16, 1994, Los Angeles, Calif.) was an American physicist and joint winner, with Richard P. Feynman and Tomonaga Shin’ichirō, of the Nobel Prize for Physics in 1965 for introducing new ideas and methods into quantum electrodynamics.
13 de fev. de 2018 · Schwinger shared the 1965 Nobel in physics for work in quantum electrodynamics. Four of his students also became Nobel laureates—Glauber, Ben Roy Mottelson, Ph.D. ’50, and Sheldon Glashow in physics, and Walter Kohn in chemistry—as did his onetime assistant, Walter Gilbert, also in chemistry.
16 de jul. de 1994 · 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”. Prize share: 1/3.
16 de jul. de 1994 · He introduced operator and functional techniques, Euclidean and finite temperature field theories, proper-time methods and strong field techniques, and he discovered the anomalies of quantized fields. His Quantum Action Principle summarizes concisely all kinematics and dynamics of quantum mechanics.
