Chiral anomaly for local boundary conditions

It is known that in the zeta function regularization and in the Fujikawa method chiral anomaly is defined through a coefficient in the heat kernel expansion for the Dirac operator. In this paper we apply the heat kernel methods to calculate boundary contributions to the chiral anomaly for local (bag...

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Bibliographic Details
Published in:Nuclear physics. B 2004-01, Vol.677 (3), p.535-552
Main Authors: Marachevsky, Valery N., Vassilevich, Dmitri V.
Format: Article
Language:English
Subjects:
Chiral anomaly
Heat kernel
Local boundary conditions
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Summary:It is known that in the zeta function regularization and in the Fujikawa method chiral anomaly is defined through a coefficient in the heat kernel expansion for the Dirac operator. In this paper we apply the heat kernel methods to calculate boundary contributions to the chiral anomaly for local (bag) boundary conditions. As a by-product some new results on the heat trace asymptotics are also obtained.
ISSN:0550-3213
1873-1562
DOI:10.1016/j.nuclphysb.2003.11.009