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Kamlah Expansion and Gauge Theories | Oliver Schroeder
; Hugo Reinhardt
; | Date: |
9 Jul 2002 | Journal: | Annals Phys. 312 (2004) 319-353 | Subject: | hep-ph | Abstract: | In Yang-Mills theories, variational calculations of the Rayleigh-Ritz type face the problem that on the one hand, calculability puts severe constraints on the space of test wave functionals; on the other hand, the test wave functionals have to be gauge invariant. The conflict between the two requirements can be resolved by introducing a projector. In this paper we present an approach to approximating the projector in a way known and successfully employed in nuclear physics: the Kamlah expansion. We discuss it both for electrodynamics and for Yang-Mills theories to leading order in a perturbative expansion, and demonstrate that the results are compatible with what one would expect from perturbation theory. | Source: | arXiv, hep-ph/0207119 | Services: | Forum | Review | PDF | Favorites |
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