Built on

M. Mir, R. A. Hennigar, J. Ahmed, and R. B. Mann, JHEP 08
Original
1902
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M. Mir and R. B. Mann, JHEP 07
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1902
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P. Bueno, P. A. Cano, and R. A. Hennigar, Class. Quant. Grav. 37
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1966
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1972
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1973
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1977
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1985
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2000
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C. Adair, P. Bueno, P. A. Cano, R. A. Hennigar, and R. B. Mann, (2020), arXiv:2004.09598 [gr-qc]
Original
2004
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M. Brigante, H. Liu, R. C. Myers, S. Shenker, and S. Yaida, Phys. Rev. D77
Original
2008
Earlier work this paper cites.

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2020

Einstein Quartic Gravity: Shadows, Signals, and Stability

Khodabakhshi, H., Giaimo, A., Mann, Robert B.

Understand

Using a continued fraction ansatz we obtain an analytic approximation for a spherically symmetric black hole solution to Einsteinian Quartic Gravity (EQG), the next simplest Generalized Quasi-Topological Gravity (GQTG) after Einsteinian Cubic Gravity (ECG).

This approximate solution is valid everywhere outside of the horizon and we use it to investigate the orbit of massive test bodies near a black hole, specifically computing the innermost stable circular orbit.
Using Shapiro time delay we calculate the constraints on the EQG coupling parameter.
Finally we compute the shadow of an EQG black hole and figure out it to be larger than its Einsteinian counterpart in general relativity for the same value of the mass.

Built on

M. Mir, R. A. Hennigar, J. Ahmed, and R. B. Mann, JHEP 08
Original
1902
Earlier work this paper cites.
M. Mir and R. B. Mann, JHEP 07
Original
1902
Earlier work this paper cites.
P. Bueno, P. A. Cano, and R. A. Hennigar, Class. Quant. Grav. 37
Original
1909
Earlier work this paper cites.
J. L. Synge, Mon. Not. R. astr. Soc. 131
1966
Earlier work this paper cites.
D. Lovelock, J. Math. Phys. 12
1971
Earlier work this paper cites.
S. Weinberg, Gravitation and cosmology: principles and applications of the general theory of relativity (Wiley, 1972)
1972
Earlier work this paper cites.
J. M. Bardeen, Black holes , 215 (1973)
1973
Earlier work this paper cites.
C. W. Misner, K. S. Thorne, and J. A. Wheeler, Gravitation (W. H. Freeman, 1973)
1973
Earlier work this paper cites.
K. S. Stelle, Phys. Rev. D16
1977
Earlier work this paper cites.
B. Zwiebach, Phys. Lett. B156
1985
Earlier work this paper cites.
D. G. Boulware and S. Deser, Phys. Rev. Lett. , 55
1985
Earlier work this paper cites.
R. R. Metsaev and A. A. Tseytlin, Phys. Lett. B185
1987
Earlier work this paper cites.
R. C. Myers, Phys. Rev. D36
1987
Earlier work this paper cites.
A. de Vries, Class. Quant. Grav. 17
2000
Earlier work this paper cites.
C. Adair, P. Bueno, P. A. Cano, R. A. Hennigar, and R. B. Mann, (2020), arXiv:2004.09598 [gr-qc]
Original
2004
Earlier work this paper cites.
M. Brigante, H. Liu, R. C. Myers, S. Shenker, and S. Yaida, Phys. Rev. D77
Original
2008
Earlier work this paper cites.

Similar

Y. Kats and P. Petrov, JHEP 01
2009
Cited alongside, same era.
D. M. Hofman, Nucl. Phys. B823
2009
Cited alongside, same era.
J. Oliva and S. Ray, Class. Quant. Grav. 27
Original
2010
Cited alongside, same era.
R. C. Myers and A. Sinha, Phys. Rev. D82
Original
2010
Cited alongside, same era.
C. Bambi and N. Yoshida, Class. Quant. Grav. 27
2010
Cited alongside, same era.
E. F. E. L. Amarilla and G. Giribet, Phys. Rev. D81
2010
Cited alongside, same era.

Then

A. Grenzebach, The Shadow of Black Holes (Springer, 2016)
2016
Later among the works it cites.
V. L. Fish, K. Akiyama, K. L. Bouman, A. A. Chael, M. D. Johnson, S. S. Doeleman, L. Blackburn, J. F. C. Wardle, and W. T. Freeman (Event Horizon Telescope), Blazars through Sharp Multi-wavelength Eyes Malaga, Spain, May 30-June 3, 2016 , Galaxies 4
Original
2016
Later among the works it cites.
A. Boehle, A. Ghez, R. Schödel, L. Meyer, S. Yelda, S. Albers, G. Martinez, E. Becklin, T. Do, J. Lu, et al. , The Astrophysical Journal 830
2016
Later among the works it cites.
Z. Younsi, A. Zhidenko, L. Rezzolla, R. Konoplya, and Y. Mizuno, Phys. Rev. D94
Original
2016
Later among the works it cites.
A. Cisterna, L. Guajardo, M. Hassaine, and J. Oliva, JHEP 04
Original
2017

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alphaXiv searches the wider corpus for related work and actual follow-ups.

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