Greybody factors for higher-dimensional non-commutative geometry inspired black holes

被引:0
|
作者
Cox, Zachary [1 ]
Gingrich, Douglas M. [1 ]
机构
[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2E1, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
greybody factors; black holes; extra dimensions; quantum gravity; non-commutative geometry; PERTURBATIONS;
D O I
10.1088/1361-6382/aceb46
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Greybody factors are computed for massless fields of spin 0, 1/2, 1, and 2 emitted from higher-dimensional non-commutative geometry inspired black holes. Short-range potentials are used with path-ordered matrix exponentials to numerically calculate transmission coefficients. The resulting absorption cross sections and emission spectra are computed on the brane and compared with the higher-dimensional Schwarzschild-Tangherlini black hole. A non-commutative black hole at its maximum temperature in seven extra dimensions will radiate a particle flux and power of 0.72-0.81 and 0.75-0.81, respectively, times lower than a Schwarzschild-Tangherlini black hole of the same temperature. A non-commutative black hole at its maximum temperature in seven extra dimensions will radiate a particle flux and power of 0.64-0.72 and 0.60-0.64, respectively, times lower than a Schwarzschild-Tangherlini black hole of the same mass.
引用
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页数:26
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