126 citations · 781 across the 39 of their papers we have counts for
Showing 2012Show all
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gr-qc2012★ 1 cited
Optimal escape from circular orbits around black holes
Jose Natario
Using the theory of optimal rocket trajectories in general relativity, recently developed in arXiv:1105.5235, we show that the "obvious" manoeuvre of using a tangential instantaneo…
gr-qc2012★ 72 cited
Gravito-electromagnetic analogies
L. Filipe O. Costa, José Natário
We reexamine and further develop different gravito-electromagnetic (GEM) analogies found in the literature, and clarify the connection between them. Special emphasis is placed in t…
gr-qc2012★ 9 cited
The problem of a self-gravitating scalar field with positive cosmological constant
Joao L. Costa, Artur Alho, Jose Natario
We study the Einstein-scalar field system with positive cosmological constant and spherically symmetric characteristic initial data given on a truncated null cone. We prove well-po…