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arXiv · 0811.2632

Absorption Cross Section in Warped AdS$_3$ Black Hole

John J. Oh·Wontae Kim
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Abstract

The absorption cross section is studied in the low-frequency region for a propagating scalar field under the warped AdS$_3$ black hole background in the topologically massive gravity. It can be shown that the absorption cross section is significantly deformed by the gravitational Chern-Simons term, which is proportional to the scattering area of black hole with an additional contribution depending on the left-moving and right-moving temperatures. It means that the cross section is larger than the area in spite of the s-wave limit. Finally, we discuss the left-right quasinormal modes for the scalar perturbation in this black hole.

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John J. Oh, Wontae Kim. 2009-01-23. Absorption Cross Section in Warped AdS$_3$ Black Hole. https://doi.org/10.1088/1126-6708%2F2009%2F01%2F067

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