摘要:

AbstractExtending the inductive renormalization procedure of Epstein and Glaser which is essentially based on locality, we show that quantum electrodynamics in an external time independent electromagnetic field has a renormalizable formal perturbation expansion. The interaction involving the quantized radiation field but not the action of the external field is treated by perturbation theory. It turns out that vacuum polarization is undetermined in the framework of such a theory.

ISSN:0015-8208    

DOI:10.1002/prop.19750231102

出版商:WILEY‐VCH Verlag    

年代:1975

数据来源: WILEY

ISSN:0015-8208    

DOI:10.1002/prop.19750231103

出版商:WILEY‐VCH Verlag    

年代:1975

数据来源: WILEY

摘要:

AbstractIn this review we study theSU(3) transformation behaviour of the hadronic current‐current quark interaction Hamiltonian for the different cases of possible quark statistics. By expanding the current‐current quark Hamiltonian along the crossing‐even and ‐odd eigenvectors of the appropiate Fierz‐,SU(3)‐ and colourSU(3)‐crossing matrices, resp., we arrive at a transparent classification of the possible forms of the current‐current quark interaction that lead to octet behaviour. In some instances, octet behaviour can be established directly for the interaction Hamiltonian, in others, simplifications occur if one makes reference to the two basic types of diagrams that occur in the evaluation of nonlepto

ISSN:0015-8208    

DOI:10.1002/prop.19750231104

出版商:WILEY‐VCH Verlag    

年代:1975

数据来源: WILEY

ISSN:0015-8208    

DOI:10.1002/prop.19750231101

出版商:WILEY‐VCH Verlag    

年代:1975

数据来源: WILEY