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The Hawking radiation of the charged particle via tunnelling from the axisymmetric Sen black hole

Chinese Physics B 2006年第8期15卷 1709-1714页

作者：蒋青权杨树政陈德友 Institute of Theoretical Physics China West Normal University Nanchong 637002 China

Extending Parikh＇s semi-classical quantum tunnelling model, this paper has studied the Hawking radiation of the charged particle via tunnelling from the horizon of the axisymmetric Sen black hole. Different from the uncharged massless particle, the geodesics of the charged massive particle tunnelling from the horizon is not light-like. The derived result supports Parikh＇s opinion and provides a correct modification to Hawking strictly thermal spectrum developed by the fixed background space-time and not considering the energy conservation and the self-gravitation interaction.

关键词： Sen black hole charged particle tunnelling rate Bekenstein-Hawking entropy

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Hawking radiation as tunnelling from arbitrarily dimensional Reissner-Nordstrom de Sitter black hole

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Chinese Physics B 2006年第11期15卷 2523-2528页

作者：蒋青权杨树政吴双清 Institute of Theoretical Physics China West Normal University Nanchong 637002 China Department of Physics and College of Physical Science and Technology Central China Normal University Wuhan 430079 China

This paper extends Parikh-Wilzcek＇s recent work, which treats the Hawking radiation as a semi-classical tunnelling process from the event horizon of four dimensional Schwarzshild and Reissner-Nordstrom black holes, to that of arbitrarily dimensional Reissner-Nordstrom de Sitter black hole. The result shows that the tunnelling rate is related to the change of Bekenstein-Hawking entropy and the factually radiant spectrum is no longer precisely thermal after taking the dynamical black hole background and energy conservation into account, but is consistent with the underlying unitary theory and then satisfies the first law of the black hole thermodynamics. Meanwhile, in Parikh-Wilzcek＇s framework, this paper points out that the information conservation is only suitable for the reversible process but in highly unstable evaporating black hole （irreversible process） the information loss is possible.

关键词： black hole radiation tunnelling rate Bekenstein-Hawking entropy first law of the black hole thermodynamics

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The quantum tunnelling radiation of Schwarzschild de Sitter black hole with a global monopole

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Chinese Physics B 2006年第7期15卷 1425-1429页

作者：陈德友蒋青权李慧玲杨树政 Institute of Theoretical Physics China West Normal University Nanchong 637002 China

Applying Parikh＇s quantum tunnelling method, this paper has studied the quantum tunnelling radiation of Schwarzschild de Sitter black hole with a global monopole. The result shows that the tunnelling rates at the event horizon and the cosmological horizon are related to Bekenstein-Hawking entropy and the derived radiation spectrum is not precisely thermal when considering energy conservation and self-gravitation interaction.

关键词： Schwarzschild de Sitter black hole energy conservation Bekenstein-Hawking entropy tunnelling rate

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Quantum tunnelling radiation of Einstein-Maxwell-Dilaton-Axion black hole

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Chinese Physics B 2005年第12期14卷 2411-2414页

作者：杨树政蒋青权李慧玲 Institute of Theoretical Physics China West Normal University Nanchong 637002 China

By taking the energy conservation and angular momentum conservation into account, the characteristics of the quantum-tunnelling radiation of Einstein-Maxwell-Dilaton-Axion black hole are studied and the result shows that the tunnelling rate of such a black hole is relevant to Bekenstein-Hawking entropy and that the obtained radiation spectrum is not pure thermal.

关键词： Einstein-Maxwell-Dilaton-Axion black hole energy conservation angular momentum conservation tunnelling rate

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