The heat kernel for deformed spheres

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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10 pages, latex, no figures

Scientific paper

10.1088/0305-4470/28/1/007

We derive the asymptotic expansion of the heat kernel for a Laplace operator acting on deformed spheres. We calculate the coefficients of the heat kernel expansion on two- and three-dimensional deformed spheres as functions of deformation parameters. We find that under some deformation the conformal anomaly for free scalar fields on $R^4\times \tilde S^2$ and $R^6\times \tilde S^2$ is canceled.

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