Radiation Spectrum and Correction Entropy of (n+4)-dimensional Kerr-(A)dS Black Hole

Abstract

We extend the classical Damour-Ruffini method and discuss Hawking radiation of an (n + 4)-dimensional Kerr-(A)dS black hole. We not only derive the radiation spectrum that satisfies the unitary principle but also obtain the correction term of Bekenstein-Hawking entropy.

Hawking Radiation Spectrum and Entropy Correction of Apparent Horizon in a FRW Universe

“…The radiation spectrum satisfies the unitary principle. In our calculation, considering the property that radiation wave is a spherical wave, we introduce factor 1/r in (9). For introduction of this factor, we naturally derive B-H entropy correction term in FRW universe.…”

“…In the radiation rate calculation (21), we do not consider the factor 1/r in (9). After we consider this factor 1/r, (27) of the outgoing rate that FRW universe apparent horizon radiates particles with energy ω should be written as…”

“…So far there are many methods to calculate Hawking radiation [1][2][3][4][5][6][7][8][9][10][11][12]. However, all results show that black hole radiation is the black body spectrum.…”