Non-local conformal anomalies
Nuclear Physics BPublished 1 August 1976
S. Deser, M. J. Duff, C. J. Isham
Citations478
SJR quartileQ1
SJR score0.87
SNIP0.88
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Abstract
The vacuum polarization by external gauge fields of conformally invariant quantum field systems is shown to manifest a new, non-local, type of trace anomaly when gauge-invariant dimensional regularisation is used. Examples include neutrino and photon loops in a background metric gravitational field and charged massles fermion loops in background metric and electromagnetic fields.
Keywords
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