fine structure constantmass ratiosquantum gravityThere must exist a reformulation of quantum field theory which does not refer to classical time. We propose a pre-quantum, pre-spacetime theory, which is a matrix-valued Lagrangian dynamics for gravity, Yang-Mills fields, and fermions. The definition...
fine structure constant 英 [faɪn ˈstrʌktʃə(r) ˈkɒnstənt] 美 [faɪn ˈstrʌktʃər ˈkɑːnstənt]精细结构常数
In quantum electrodynamics (QED) the small parameter is the fine-structure constantα ∼ 1/137. Since this is quite small, perturbation theory works very well for QED. For a physical quantity T(α), one computes (using Feynman diagrams) (3)T(α)=T0+αT1+α2T2+…. It is the case ...
The question arises, whether this generalisation is the only one which gives a finite mass for an elementary particle and becomes, for weak fields, the Maxwellian equations.doi:10.1038/137658b0L. INFELDNatureL. Infeld, Nature 137 , 658 (1936)Infeld, L. (1936) Nature 137: pp. 658...
The meaning of FINE-STRUCTURE CONSTANT is a dimensionless constant that is a measure of the strength of electromagnetic interactions of subatomic particles and that has an approximate value of 0.0073 or 1/137 —symbol α.
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Fine-Structure Constant ↓Skip to main content Posts About Me Posts About Me Wojciech Wojtyniak Recent I Don't Believe in Open Source Fairy 639 words·3 mins
Fundamental Bound State Description of light Atoms and the fine structure constant α 1/137 来自 Semantic Scholar 喜欢 0 阅读量: 6 作者: H Morsch 摘要: Based on a QED like Lagrangian, in which the fermions are dressed by photons, a "complete" bound state description of pe and e+e ...
美 英 un.精细结构常数 网络精密结构常数 英汉 网络释义 un. 1. 精细结构常数 例句 释义: 全部,精细结构常数,精密结构常数
Morganica - Fine Structure Constant