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| Using the new physical interpretation of quasinormal modes proposed by Maggiore, we calculate the area and entropy spectra for the 3-dimensional and 5-dimensional large Ads black hole. The spectra are obtained by imposing the Bohr-Sommerfeld quantization condition and the adiabatic invariant quantity. With this semiclassical method, we find that the spacings of the area and entropy spectra aare equidistant and independent of the Ads radius of the black hole for both the casess. However, the spacings of the spectra are not the same for different dimension of space-time. The equidistant area spectra will be broken when the black hole has other paprameters (i.e., charge and angular momentum) of in a non-Einstein's gravity theory. |
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| Keywords:black hole, quasinormal modes, adiabatic invariant quantity |
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