Hawking radiation from rotating black holes in anti-de Sitter spaces via gauge and gravitational anomalies

Jiang, Qing-Quan; Wu, Shuang-Qing

doi:10.1016/j.physletb.2007.01.058

Cited by 127 publications

(60 citation statements)

References 22 publications

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“…We showed that the expectation value of each higher-spin current in the Unruh vacuum exactly coincides with the corresponding specific moment of the thermal distribution. The anomaly method has been universally applied to any type of black holes, black rings or cosmological models with horizons [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. The essence is that the effective theories near horizons can be described by two-dimensional conformal fields in gravitational or gauge field backgrounds.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Fluxes of higher-spin currents and Hawking radiation from charged black holes

2007

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This is an extended version of the previous paper (hep-th/0701272). Quantum fields near horizons can be described in terms of an infinite set of two-dimensional conformal fields. We first generalize the method of Christensen and Fulling to charged black holes to derive fluxes of energy and charge. These fluxes can be obtained by employing a conformal field theory technique. We then apply this technique to obtain the fluxes of higher-spin currents and show that the thermal distribution of Hawking radiation from a charged black hole can be completely reproduced by investigating transformation properties of the higher-spin currents under conformal and gauge transformations.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Fluxes of higher-spin currents and Hawking radiation from charged black holes

2007

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“…Till now, this method has been successfully applied in many different cases [10,11,12,13,14,15,16,17], but gauge and gravitational anomalies in these observations share in common to take place at the black hole horizon(EH). In other words, present work via anomalous point of view to derive Hawking radiation is limited to study that radiated from the black hole horizon(EH).…”

Section: Introductionmentioning

confidence: 99%

Hawking radiation from black holes in de Sitter spaces

Jiang

2007

Class. Quantum Grav.

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Recently, Hawking radiation has been treated, by Robinson and Wilczek, as a compensating flux of the energy momentum tensor required to cancel gravitational anomaly at the event horizon(EH) of a Schwarzschild-type black hole. In this paper, motivated by their work, Hawking radiation from the event horizon(EH) and the de Sitter cosmological horizon(CH) of black holes in de Sitter spaces, specifically including the purely de Sitter black hole, and the static, spherically symmetric Schwarzschild-de Sitter black hole as well as the rotating Kerr-de Sitter black hole, has been studied by anomalies. The result shows that the gauge current and energy momentum tensor fluxes, required to restore gauge invariance and general coordinate covariance at the EH and the CH, are precisely equal to those of Hawking radiation from the EH and the CH, respectively. It should be noted that, gauge and gravitational anomalies taken place at the cosmological horizon(CH) arise from the fact that the effective field theory is formulated inside the CH to integrate out the classically irrelevant outgoing modes at the CH, which is different from those at the black hole horizon(EH).

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“…We can also prove the energy current is identical to the energymomentum tensor flux. The Hawking fluxes in the dragging field have been studied by the cancellation of anomaly in [29]. In this paper, we do not investigate this case.…”

Section: Hawking Radiation In the Kerr Spacetimementioning

confidence: 99%