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- Title
Hawking radiation of dyon particles from the Einstein âMaxwell-DilatonâAxion black hole via covariant anomaly.
- Authors
Xiao-Xiong Zeng; Xiong-Wei Liu; Shu-Zheng Yang
- Abstract
Abstract  Hawking radiation of particles with electric and magnetic charges from the EinsteinâMaxwell-DilatonâAxion black hole is derived via the anomaly cancellation method, initiated by Robinson and Wilczek and elaborated by Banerjee and Kulkarni recently. We reconstruct the electromagnetic field tensor to redefine the gauge potential and equivalent charge corresponding to the source with electric and magnetic charges. We only adopt the covariant gauge and gravitational anomalies to discuss the near-horizon quantum anomaly in the dragging coordinate frame. Our result shows that Hawking radiation in this case also can be reproduced from the viewpoint of anomaly.
- Subjects
BLACKBODY radiation; PARTICLES (Nuclear physics); SUPERMASSIVE black holes; GRAVITY anomalies; ELECTROMAGNETIC fields; GAUGE field theory
- Publication
General Relativity & Gravitation, 2008, Vol 40, Issue 12, p2533
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-008-0636-2