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arXiv · hep-th/0110085

Investigating Brane Resolution With Perturbative Dynamics

J. F. Vazquez-Poritz
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Abstract

We investigate the transition between singular and non-singular geometries from the vantage point of perturbative field dynamics. In particular, we obtain the closed-form absorption probability for minimally-coupled massless scalars propagating in the background of a heterotic 5-brane on a Taub-NUT instanton. This is an exact calculation for arbitrary incident frequencies. For the singular geometry, the absorption probability vanishes when the frequency is below a certain threshold, and for the non-singular case it vanishes for all frequencies. We discuss the connection between this phenomenon and the behavior of geodesics in this background. We also obtain exact quasinormal modes.

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J. F. Vazquez-Poritz. 2001-10-31. Investigating Brane Resolution With Perturbative Dynamics. https://doi.org/10.1088/1126-6708%2F2002%2F03%2F008

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