gingerly
发表于 2025-3-21 19:55:55
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支柱
发表于 2025-3-21 21:53:49
Book 1993e the infinities come from, and how we have learned to deal with them without compromising the physical principles involved. I am purposely treating the problem at the level of the 1940s and 1950s, so as to keep the basic ideas clear and avoid the more difficult problems and more sophisticated metho
Adulterate
发表于 2025-3-22 03:58:32
,Introduction: Renormalization. 1930–1950,ngton (D.C.) in April 1990. The session bore the title: .. Tom von Foerster, of Springer-Verlag, attended our session and afterwards encouraged us to use it as the basis for a book of essays on the history of renormalization. My task was to edit the papers and to write an introduction to the volume.
Override
发表于 2025-3-22 05:24:21
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愤慨一下
发表于 2025-3-22 12:30:08
Tutorial on Infinities in QED,e the infinities come from, and how we have learned to deal with them without compromising the physical principles involved. I am purposely treating the problem at the level of the 1940s and 1950s, so as to keep the basic ideas clear and avoid the more difficult problems and more sophisticated metho
表主动
发表于 2025-3-22 14:58:45
New Philosophy of Renormalization: From the Renormalization Group Equations to Effective Field Theoboth of attempts to solve conceptual anomalies within the theory itself, and of fruitful interactions between quantum field theory (QFT) and statistical physics. Implicit assumptions concerning such concepts as regularization, cutoff, dimensionality, symmetry, and renormalizability have been clarifi
indicate
发表于 2025-3-22 17:44:59
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用树皮
发表于 2025-3-23 00:44:20
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Spirometry
发表于 2025-3-23 02:52:37
nur eine der Singularitäten umschließenden, Kreis zu erstrecken ist. Die Kreise sind dabei in derselben Richtung zu durchlaufen, in der ℭ die betreffende Singularität umläuft. Der Leser wird leicht die auf S. 67 gegebene Betrachtung für den vorgelegten Fall verallgemeinern. Nennen wir nun das vorge
闷热
发表于 2025-3-23 08:20:51
Tutorial on Infinities in QED,he logical development is just the same. Not surprisingly, though, the renormalization procedure breaks down if the theory in question is nonrenormalizable. Whether nonrenormalizable theories are theories at all is a matter for debate; in any case, they hold no practical interest for physicists sinc