116 citations · 1.4k across the 130 of their papers we have counts for
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Gribov Problem and BRST Symmetry
Kazuo Fujikawa
After a brief historical comment on the study of BRS(or BRST) symmetry , we discuss the quantization of gauge theories with Gribov copies. A path integral with BRST symmetry can be…
BRST Symmetric Formulation of a Theory with Gribov-type Copies
Kazuo Fujikawa
A path integral with BRST symmetry can be formulated by summing the Gribov-type copies in a very specific way if the functional correspondence between and the gauge parameter $…
Phase operator for the photon, an index theorem, and quantum anomaly
Kazuo Fujikawa
An index relation is satisfied by the creation and annihilation operators and of a harmonic oscillator. Implications of…
Analytic index and chiral fermions
Kazuo Fujikawa
A recent application of an index relation of the form, , to the generation of chiral fermions in a vector-like gauge theory is reviewed. In…
Q-Deformed Oscillator Algebra and an Index Theorem for the Photon Phase Operator
Kazuo Fujikawa, L. C. Kwek, C. H. Oh
The quantum deformation of the oscillator algebra and its implications on the phase operator are studied from a view point of an index theorem by using an explicit matrix represent…