Anomalous mass spectra on the boundary of the Schwarzschild-de Sitter black hole

Matthijs B. Ooms, Shai D. Solomons
Comments: 19 pages

We study the anomalous mass spectra of the Schwarzschild-de Sitter black hole in the presence of background radiation. We show that the vacuum expectation values of the masses of the anomalous modes can be computed analytically. The mass spectra of the anomalous modes can be found as a function of the background radiation. We also find a new way to find the anomalous mass spectra of the black hole in the presence of background radiation.