Light-Front View of The Axial Anomaly

Details Light-Front View of The Axial Anomaly Light-Front View of The Axial Anomaly

1995-05-30

arxiv.org/abs/hep-ph/9505420v1

Phys.Rev. D53 (1996) 5815-5820

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, REVTEX, one figure postscript file encoded

Scientific paper

10.1103/PhysRevD.53.5815

Motivated by an apparent puzzle of the light-front vacua incompatible with the axial anomaly, we have considered the two-dimensional massless Schwinger model for an arbitrary interpolating angle of the quantization surface. By examining spectral deformation of the Dirac sea under an external electric field semiclassically, we have found that the axial anomaly is quantization angle independent. This indicates an intricate nontrivial vacuum structure present even in the light-front limit.

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