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Using Observations of Distant Quasars to Constrain Quantum Gravity · Around

2011

Using Observations of Distant Quasars to Constrain Quantum Gravity

Perlman, Eric S., Ng, Y. Jack, Floyd, David J. E. et al.

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Aims.

The small-scale nature of spacetime can be tested with observations of distant quasars.
We comment on a recent paper by Tamburini et al.
(A&A, 533, 71) which claims that Hubble Space Telescope observations of the most distant quasars place severe constraints on models of foamy spacetime.

Built on

Wheeler, J. A. 1963, in Relativity, Groups and Topology, ed. B.S. DeWitt & C.M. DeWitt (New York: Gordon and Breach), 315
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Hogg, D. W. 2000, arXiv:astro-ph/9905116
2000
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Lieu, R., & Hillman, L. W. 2003, Astrophys. J., 585, L77
2003
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Ng, Y. J. 2003, Mod. Phys. Lett. A18, 1073
2003
Earlier work this paper cites.

Similar

Ng, Y. J., Christiansen, W., & van Dam, H. 2003, Astrophys. J., 591, L87
2003
Cited alongside, same era.
Ragazzoni, R., Turatto, M., & Gaessler, W. 2003, Astrophys. J., 587, L1
2003
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Christiansen, W., Ng, Y. J., & van Dam, H. 2006, Phys. Rev. Lett. 96, 051301
2006
Cited alongside, same era.
Steinbring, E. 2007, Astrophys. J. 655, 714
2007
Cited alongside, same era.

Then

Abdo, A. A., et al., Nature, 462, 331
2009
Later among the works it cites.
Christiansen, W., Ng, Y. J., Floyd, D. J. E., Perlman, E. S., 2011, Phys. Rev. D., 83, 084003
2011
Closest in time.
Tamburini, F., Cuofano, C., Della Valle, M., Gilmozzi, R., 2011, A& A, 533, 71
2011
Closest in time.

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