Absorption Cross Section of Einstein-Maxwell Dilation Axion Black Hole for Dirac Particles |
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| Authors: | LIU Chang-Qing and JING Ji-Liang |
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| Affiliation: | Institute of Physics and Department of Physics,Hunan Normal University, Changsha 410081, China |
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| Abstract: | The absorption cross section of the Einstein-Maxwell DilatonAxion (EMDA) black hole for Dirac particles is investigated.It is shown that the absorption cross section decreases as boththe v and the absolute value of the dilaton increase, but itincreases as the mass of the particle increases. It is also shownthat the absorption cross section for the massless Dirac particlesis 1/8 of the area of the horizon, which may be an universalproperty for minimally coupled massless Dirac particles. |
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| Keywords: | black hole absorption cross section Dirac particle |
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