Instantaneous Radiation Energy Flux and Radiation Power Near the Event Horizon of Slowly Changing Vaidya Black Hole

2012 ◽  
Vol 52 (1) ◽  
pp. 206-211
Author(s):  
Ji-Jian Jiang
Keyword(s):  
Black Hole ◽  
Event Horizon ◽  
Energy Flux ◽  
Radiation Power ◽  
Radiation Energy ◽  
Radiation Energy Flux ◽  
Vaidya Black Hole

Radiation Energy Flux and Radiation Power of Schwarzschild Black Hole

2010 ◽  
Vol 49 (8) ◽  
pp. 1739-1745 ◽  
Author(s):  
Qing-Miao Meng ◽  
Ji-Jian Jiang ◽  
Jing-Lun Liu ◽  
Zhong-Rang Li
Keyword(s):  
Black Hole ◽  
Energy Flux ◽  
Radiation Power ◽  
Radiation Energy ◽  
Schwarzschild Black Hole ◽  
Radiation Energy Flux

Lifespan of rotating black hole in the frame of generalized uncertainty principle

2016 ◽  
Vol 31 (03) ◽  
pp. 1650008
Author(s):  
Tangmei He ◽  
Jingyi Zhang ◽  
Jinbo Yang ◽  
Hongwei Tan
Keyword(s):  
Black Hole ◽  
Energy Flux ◽  
Uncertainty Principle ◽  
Generalized Uncertainty Principle ◽  
Radiation Energy ◽  
Minimum Mass ◽  
Dominant Term ◽  
Radiation Energy Flux ◽  
Rotating Black Hole ◽  
Flat Spacetime

In this paper, the lifespan under the generalized uncertainty principle (GUP) of rotating black hole is derived through the corrected radiation energy flux and the first law of the thermodynamics of black hole. The radiation energy flux indicates that there exist the highest temperature and the minimum mass both of which are relevant to the initial mass of the black hole in the final stage of the radiation. The lifespan of rotating black hole includes three terms: the dominant term is just the lifespan in the flat spacetime; the other two terms are individually induced by the rotation and the GUP.

Magnetic traversable wormhole as accelerator of charged particles

2020 ◽  
Vol 35 (02n03) ◽  
pp. 2040026
Author(s):  
A. A. Kirillov ◽  
E. P. Savelova
Keyword(s):  
Synchrotron Radiation ◽  
Kinetic Energy ◽  
Magnetic Fields ◽  
Stationary State ◽  
Energy Flux ◽  
Charged Particles ◽  
Radiation Energy ◽  
Traversable Wormhole ◽  
Radiation Energy Flux

We show that the scattering of radiation on a traversable wormhole forms a vortex in the radiation energy flux. Then, if the wormhole possesses also a magnetic fields, the vortex accelerates charged particles along the magnetic lines and such a system works as an accelerator. If the vortex is small, the system reaches the stationary state, when the income of the kinetic energy reradiates completely in the form of the synchrotron radiation. Such a mechanism allows us to relate a part of observed sources of the synchrotron radiation to magnetic wormholes.

Radiation energy flux of Dirac field of static spherically symmetric black holes

2010 ◽  
Vol 19 (9) ◽  
pp. 090402
Author(s):  
Meng Qing-Miao ◽  
Jiang Ji-Jian ◽  
Li Zhong-Rang ◽  
Wang Shuai
Keyword(s):  
Black Holes ◽  
Energy Flux ◽  
Radiation Energy ◽  
Dirac Field ◽  
Spherically Symmetric ◽  
Radiation Energy Flux

FERMIONS TUNNELING FROM BARDEEN–VAIDYA BLACK HOLE VIA GENERAL TORTOISE COORDINATE TRANSFORMATION

2009 ◽  
Vol 24 (22) ◽  
pp. 1775-1783 ◽  
Author(s):  
LIN KAI ◽  
YANG SHUZHENG
Keyword(s):  
Black Hole ◽  
Scalar Field ◽  
Event Horizon ◽  
Coordinate Transformation ◽  
Hawking Temperature ◽  
Tunneling Rate ◽  
Fermions Tunneling ◽  
Vaidya Black Hole ◽  
Tortoise Coordinate ◽  
Tortoise Coordinate Transformation

In this paper, we research on the scalar field particles and 1/2 spin fermions tunneling from the event horizon of Bardeen–Vaidya black hole by semiclassical method and general tortoise coordinate transformation, and obtain the Hawking temperature and tunneling rate near the event horizon.

Fluctuation on a Schwarzschild black hole

2009 ◽  
Vol 87 (9) ◽  
pp. 1009-1012 ◽  
Author(s):  
Xianming Liu ◽  
Wenbiao Liu
Keyword(s):  
Black Hole ◽  
Event Horizon ◽  
Hawking Radiation ◽  
Apparent Horizon ◽  
Gravitational Anomaly ◽  
Schwarzschild Black Hole ◽  
First Law Of Thermodynamics ◽  
Vaidya Black Hole

When a relativistic perturbation is given to the horizon of a Schwarzschild black hole, a new supersurface near the horizon will be obtained. Using the gravitational anomaly method proposed by Robinson and Wilczek, Hawking radiation from this new supersurface is calculated. It is found that the first law of thermodynamics can also be constructed successfully on this supersurface. The expressions of the characteristic position and temperature are very similar to the previous results for the event horizon of a Vaidya black hole. Comparing with the Vaidya black hole, we conclude that Hawking radiation and the thermodynamics of a Vaidya black hole should be indeed constructed at the apparent horizon instead of the event horizon.

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