Exact Results for Evaporating Black Holes in Curvature-Squared Lovelock Gravity: Gauss-Bonnet Greybody Factors

A. Barrau; J. Grain; P. Kanti

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Exact Results for Evaporating Black Holes in Curvature-Squared Lovelock Gravity: Gauss-Bonnet Greybody Factors

J. Grain, A. Barrau, P. Kanti

High Energy Physics - Theory · Submitted 16 Sep 2005

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We derive exact spectra for the emission of scalar, fermion and gauge fields emitted on the brane, and for scalar fields emitted in the bulk, and demonstrate how the Gauss-Bonnet term can change the bulk-to-brane emission rates ratio in favour of the bulk channel in particular frequency regimes.

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arXiv IDhep-th/0509128 (version 2)

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CitationA. Barrau, J. Grain, P. Kanti. "Exact Results for Evaporating Black Holes in Curvature-Squared Lovelock Gravity: Gauss-Bonnet Greybody Factors." arXiv:hep-th/0509128 (2005). https://pith.science/paper/KGXQL36U

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What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.08 · human participants 0.01 · controlled comparison 0.07 · randomized assignment 0.01 · states quantitative result 0.09 · compares with prior results 0.13 · mentions code or data availability 0.02.

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Lovelock gravity is an important extension of General Relativity that provides a promising framework to study curvature corrections to the Einstein action, while avoiding ghosts and keeping second order field equations. This paper derives the greybody factors for D-dimensional black holes arising in a theory with a Gauss-Bonnet curvature-squared term. These factors describe the non-trivial coupling between black holes and quantum fields during the evaporation process: they can be used both from a theoretical viewpoint to investigate the intricate spacetime structure around such a black hole, and for phenomenological purposes in the framework of braneworld models with a low Planck scale. We derive exact spectra for the emission of scalar, fermion and gauge fields emitted on the brane, and for scalar fields emitted in the bulk, and demonstrate how the Gauss-Bonnet term can change the bulk-to-brane emission rates ratio in favour of the bulk channel in particular frequency regimes.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	Lovelock gravity is an important extension of General Relativity that provides a promising framework to study curvature corrections to the Einstein action, while avoiding ghosts and keeping second order field equations.	background 1.00	0.05	0.03	asserted 0.91
s1	This paper derives the greybody factors for D-dimensional black holes arising in a theory with a Gauss-Bonnet curvature-squared term.	contribution 0.99	0.97	0.21	asserted 1.00
s2	These factors describe the non-trivial coupling between black holes and quantum fields during the evaporation process: they can be used both from a theoretical viewpoint to investigate the intricate spacetime structure around such a black hole, and for phenomenological purposes in the framework of braneworld models with a low Planck scale.	interpretation 0.83	0.18	0.11	asserted 0.70
s3	We derive exact spectra for the emission of scalar, fermion and gauge fields emitted on the brane, and for scalar fields emitted in the bulk, and demonstrate how the Gauss-Bonnet term can change the bulk-to-brane emission rates ratio in favour of the bulk channel in particular frequency regimes.	result 0.81	0.97	0.68	asserted 1.00

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arXiv listing abstract v2

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C citations
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Original abstract

Lovelock gravity is an important extension of General Relativity that provides a promising framework to study curvature corrections to the Einstein action, while avoiding ghosts and keeping second order field equations. This paper derives the greybody factors for D-dimensional black holes arising in a theory with a Gauss-Bonnet curvature-squared term. These factors describe the non-trivial coupling between black holes and quantum fields during the evaporation process: they can be used both from a theoretical viewpoint to investigate the intricate spacetime structure around such a black hole, and for phenomenological purposes in the framework of braneworld models with a low Planck scale. We derive exact spectra for the emission of scalar, fermion and gauge fields emitted on the brane, and for scalar fields emitted in the bulk, and demonstrate how the Gauss-Bonnet term can change the bulk-to-brane emission rates ratio in favour of the bulk channel in particular frequency regimes.

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References

Forward citations

Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Black hole absorption cross sections: Spin and Regge poles
gr-qc 2025-04 conditional novelty 6.0 of 10

A unified oscillatory formula for Schwarzschild black hole absorption of massless scalar, electromagnetic, and gravitational fields, with spin-dependent phase corrections and a generalized sinc approximation.
Greybody Factors for d-Dimensional Black Holes
hep-th 2007-07 conditional novelty 6.0 of 10

Greybody factors for d-dimensional black holes are computed analytically across flat, de Sitter, and Anti-de Sitter asymptotics, with the Anti-de Sitter result equal to one at asymptotic frequencies.
Greybody factors of large Gauss-Bonnet d-dimensional black holes
hep-th 2026-09 conditional novelty 5.0 of 10

Analytic greybody factors for d-dimensional Gauss-Bonnet black holes are derived to first order in the coupling in the eikonal and highly damped frequency limits.
Greybody factor and power spectra of the Hawking radiation in the novel $4D$ Einstein-Gauss-Bonnet de-Sitter gravity
hep-th 2020-03 conditional novelty 5.0 of 10

For a four-dimensional Einstein-Gauss-Bonnet de Sitter black hole, the Hawking emission spectrum is computed numerically, and a negative Gauss-Bonnet coupling is found to raise the black hole temperature and the emitt...
Anisotropic Neutrino Emission from Spinning, Moving, and Charged Primordial Black Holes
astro-ph.CO 2025-08 reject novelty 4.0 of 10

Kerr-Newman black holes moving relativistically emit neutrinos in a narrow forward cone, a combination of known spin and Doppler effects.

Show 2 more citing papers

Superradiance and stability of the novel 4D charged Einstein-Gauss-Bonnet black hole
gr-qc 2020-04 conditional novelty 4.0 of 10

For the charged 4D Einstein-Gauss-Bonnet black hole, positive Gauss-Bonnet coupling strengthens superradiant amplification and negative coupling weakens it, while all quasinormal modes decay, so the spacetime is stable.
Grey-body factors of black holes
gr-qc 2026-10 accept novelty 2.0 of 10

A review of the definition, computation, and physical applications of grey-body factors across asymptotically flat, de Sitter, and anti-de Sitter black hole spacetimes.

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7 arXiv papers cite this in 9 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

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In literature researchers have introduced diverse technicalities [ref] to estimate these greybody factors.

The Hawking effect and the bounds on greybody factor for higher dimensional Schwarzschild black holes · Bounds on the greybody factor · 0.86
Up to now, an impressively extensive literature is devoted to the calculations of Hawking evaporation of the Schwarzschild-Tangherlini and Myers-Perry black holes [ref] , while evaporation of their higher curvature corrected generalizations was touched upon only in a couple of works [ref] .

Long life of Gauss-Bonnet corrected black holes · Introduction · 0.92
For scalar and graviton emissions, the numerical studies of the GB black hole in an asymptotic flat spacetime were carried out in [ref] .

Hawking radiation for scalar fields by Einstein-Gauss-Bonnet-de Sitter black holes · Introduction · 0.98

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