From Faddeev–Kulish to LSZ. Towards a non-perturbative description of colliding electrons
From Faddeev–Kulish to LSZ. Towards a non-perturbative description of colliding electrons
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从 FaddeevâKulish 到 LSZ 走向碰撞电子的非微扰描述
DOI:
10.1016/j.nuclphysb.2017.10.018
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
W. Dybalski
中科院分区:
文献类型:
--
作者:
W. Dybalski
In a low energy approximation of the massless Yukawa theory (Nelson model) we derive a Faddeev–Kulish type formula for the scattering matrix of N electrons and reformulate it in LSZ terms. To this end, we perform a decomposition of the infrared finite Dollard modifier into clouds of real and virtual photons, whose infrared divergencies mutually cancel. We point out that in the original work of Faddeev and Kulish the clouds of real photons are omitted, and consequently their wave-operators are ill-defined on the Fock space of free electrons. To support our observations, we compare our final LSZ expression for N= 1 with a rigorous non-perturbative construction due to Pizzo. While our discussion contains some heuristic steps, they can be formulated as clear-cut mathematical conjectures.
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影响因子:
1.2
作者:
S. Alazzawi;W. Dybalski
通讯作者:
W. Dybalski
影响因子:
2.4
作者:
Buchholz, Detlev;Roberts, John E.
通讯作者:
Roberts, John E.
DOI:
10.1142/9789814449243_0064
发表时间:
2013
期刊:
arXiv: Mathematical Physics
影响因子:
--
作者:
D. Buchholz
通讯作者:
D. Buchholz
影响因子:
2.4
作者:
D. Hasler;I. Herbst
通讯作者:
I. Herbst
DOI:
10.1007/s00023-016-0486-5
发表时间:
2014
期刊:
Annales Henri Poincaré
影响因子:
--
作者:
G. Morchio;F. Strocchi
通讯作者:
F. Strocchi