Massive scalar absorption by extremal p-branes

We study the absorption probability of minimally-coupled massive scalars by extremal p-branes. In particular, we find that the massive scalar wave equation under the self-dual string background has the same form as the massless scalar wave equation under the dyonic string background. Thus it can be cast into the form of a modified Mathieu equation and solved exactly. Another example that we can solve exactly is that of the D=4 two-charge black hole with equal charges, for which we obtain the closed-form absorption probability. We also obtain the leading-order absorption probabilities for D3-, M2- and M5-branes.

Note:

Latex, 11 pages, reference added

membrane model: p-brane
scalar particle: absorption
scalar particle: massive
black hole
string model: dyon
wave function

References(28)

Figures(0)

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