"Renormalization"의 두 판 사이의 차이
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* Renormalization: an introduction to renormalization, the renormalization John C. Collins | * Renormalization: an introduction to renormalization, the renormalization John C. Collins | ||
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* http://gigapedia.info/1/ | * http://gigapedia.info/1/ | ||
* http://www.amazon.com/s/ref=nb_ss_gw?url=search-alias%3Dstripbooks&field-keywords= | * http://www.amazon.com/s/ref=nb_ss_gw?url=search-alias%3Dstripbooks&field-keywords= | ||
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+ | * <br>[http://arxiv.org/abs/1008.0129 Renormalization and quantum field theory]<br> | ||
+ | ** R. E. Borcherds | ||
+ | * http://www.ams.org/mathscinet | ||
+ | * http://www.zentralblatt-math.org/zmath/en/ | ||
+ | * http://arxiv.org/ | ||
+ | * http://www.pdf-search.org/ | ||
+ | * http://pythagoras0.springnote.com/ | ||
+ | * http://math.berkeley.edu/~reb/papers/index.html | ||
+ | * http://dx.doi.org/ | ||
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2010년 8월 3일 (화) 20:16 판
renormalization
- way of pulling out sensible answers from Feynman diagrams that explode
- there are two parts in the renormailization program
- regularization - the divergences must be written down in some way so that they can be compared, added and subtracted
- renormalization proper - the various divergences must be gathered together and extracted from the rest of the calculation
- regularization - the divergences must be written down in some way so that they can be compared, added and subtracted
regularization
- root of the problem
- probability of creating particles of colossal energies
- in terms of Feynman diagrams, the momentum in a loop can run away to infinity
- probability of creating particles of colossal energies
- dimensional regularization
- regularization scheme (especially good in QCD)
- regard the dimension as a continuous quantity
- coupling constant changes accordingly as the dimension changes continuously
- we get a new parameter called regularization scheme
- regularization scheme (especially good in QCD)
QED renormalization
- three basic divergent diagrams and three counter-terms to match and three infinite constants
- electron self-energy diagram transforms the bare electron mass into the physical ones
- vertex diagram links bare electri charge to phstical electric charge
- photon self energy is related to the transformation of bare electric field strngth to physical field strength
books
- Renormalization: an introduction to renormalization, the renormalization John C. Collins
- 찾아볼 수학책
- http://gigapedia.info/1/
- http://gigapedia.info/1/
- http://gigapedia.info/1/
- http://gigapedia.info/1/
- http://www.amazon.com/s/ref=nb_ss_gw?url=search-alias%3Dstripbooks&field-keywords=
articles
-
Renormalization and quantum field theory
- R. E. Borcherds
- http://www.ams.org/mathscinet
- http://www.zentralblatt-math.org/zmath/en/
- http://arxiv.org/
- http://www.pdf-search.org/
- http://pythagoras0.springnote.com/
- http://math.berkeley.edu/~reb/papers/index.html
- http://dx.doi.org/