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19932026
most citedAccelerating Universes with Scaling Dark Matter

2.5k citations

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Showing 2017 · gr-qcShow all

11 papers · 2 filters

gr-qc2017★ 57 cited

Non-singular black holes and the Limiting Curvature Mechanism: A Hamiltonian perspective

Jibril Ben Achour, Frederic Lamy, Hongguang Liu +1

We revisit the non-singular black hole solution in (extended) mimetic gravity with a limiting curvature from a Hamiltonian point of view. We introduce a parameterization of the pha…

gr-qc2017★ 254 cited

Scalar-tensor theories and modified gravity in the wake of GW170817

David Langlois, Ryo Saito, Daisuke Yamauchi +1

Theories of dark energy and modified gravity can be strongly constrained by astrophysical or cosmological observations, as illustrated by the recent observation of the gravitationa…

gr-qc2017★ 38 cited

Memory Effect for Impulsive Gravitational Waves

P. -M. Zhang, C. Duval, P. A. Horvathy

Impulsive gravitational plane waves, which have a delta-function singularity on a hypersurface, can be obtained by squeezing smooth plane gravitational waves with Gaussian profile.…

gr-qc2017★ 19 cited

Anti-de Sitter geon families

Gyula Fodor, Péter Forgács

A detailed perturbative construction of globally regular, asymptotically anti-de Sitter (AdS) time-periodic solutions of Einstein's equations with a negative cosmological constant…

gr-qc2017★ 101 cited

Soft Gravitons & the Memory Effect for Plane Gravitational Waves

P. -M. Zhang, C. Duval, G. W. Gibbons +1

The "gravitational memory effect" due to an exact plane wave provides us with an elementary description of the diffeomorphisms associated with soft gravitons. It is explained how t…

gr-qc2017★ 117 cited

The Memory Effect for Plane Gravitational Waves

P. M. Zhang, C. Duval, G. W. Gibbons +1

We give an account of the gravitational memory effect in the presence of the exact plane wave solution of Einstein's vacuum equations. This allows an elementary but exact descripti…