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Titlebook: Renormalization; From Lorentz to Land Laurie M. Brown Book 1993 Springer-Verlag New York Inc. 1993 Renormalization group.development.electr

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发表于 2025-3-21 19:55:55 | 显示全部楼层 |阅读模式
书目名称Renormalization
副标题From Lorentz to Land
编辑Laurie M. Brown
视频video
图书封面Titlebook: Renormalization; From Lorentz to Land Laurie M. Brown Book 1993 Springer-Verlag New York Inc. 1993 Renormalization group.development.electr
描述The purpose of this section is to give you a sketch of how quantum field theory works, where Feynman graphs come from and why they are so useful, where 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 methods of recent years. I shall relate my discussion simply to quantum electrodynamics (QED) since that is the most familiar case and the case that was in the forefront from the beginning (though in fact I shall ignore many of the special complications that have to be dealt with when you quantize a gauge field). The methods I shall be describing are applicable to all sorts of quantized fields: the detailed factors are different but the structure of the logical development isjust 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 since
出版日期Book 1993
关键词Renormalization group; development; electrodynamics; electron; field theory; mechanics; phase; quantum elec
版次1
doihttps://doi.org/10.1007/978-1-4612-2720-5
isbn_ebook978-1-4612-2720-5
copyrightSpringer-Verlag New York Inc. 1993
The information of publication is updating

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发表于 2025-3-21 21:53:49 | 显示全部楼层
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
发表于 2025-3-22 03:58:32 | 显示全部楼层
,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.
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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
发表于 2025-3-22 14:58:45 | 显示全部楼层
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
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发表于 2025-3-23 02:52:37 | 显示全部楼层
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
发表于 2025-3-23 08:20:51 | 显示全部楼层
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
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