By Julian Schwinger
Offers concepts that emphasize the harmony of high-energy particle physics with electrodynamics, gravitational concept, & many-particle cooperative phenomena, (First of three volumes). Paper.
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Extra resources for Particles, Sources, and Fields
Reoiproeally e ~ l e conjugate x funelions, If we did no mom than introduce that featwe into tht?
And the p~sibilityof regardiw some partieles as fundamental and deriving o t b m r;ks b u n d states is rejected as an urraeceptabfe stmeturing of the padicle concept, distinguishing elementary and composite particles. To prevent just such a distinction being made, it is proposed that, no matter which particles one uses to construct composites, the same total particle spectrum emerges. This view of dynrtmi~slself-consistency is usually rehrred to as the "bootstrap" hypothesis The discussion of Section 1-3 indicates that S-matrix Gheory is too dogmslt3c in digmiming all reference to microscopic space-time description, Whether or not one wishes to recognize it, the!
4) or X(z)=K(z), Zfi=z@-X'. 6) Now, which shows clearly that the relation between the complementaryr coordinate and momentum source desriptioas is given by Fourier transformation: The space-time coordinates in these exponential functions are referred to an origin located in the space-like surface, but we shall not usually make this explicit. We consider next the behavior under hornagenctous Lorentl; tr;amformations. The respans af the single particle states to infinitesimal transformations of this nature is given by = i ( p l ( G o *J Sve N), &[p)= --ifsw J Gv N)lp), where [Eq.
Particles, Sources, and Fields by Julian Schwinger