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- Centre National de la Recherche ScientifiqueFR997 papers
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293 papers · 1 filter
Differentiability and Other Properties of the Cosmological Volume Function
Leonardo García-Heveling
In a previous work, the regular cosmological volume function was introduced as an alternative to the regular cosmological time function of Andersson, Galloway, and Howard. Bu…
Conserved quantities and integrability for massless spinning particles in general relativity
Lars Andersson, Finnian Gray, Marius A. Oancea
In general relativity, the dynamics of spinning particles is governed by the Mathisson-Papapetrou-Dixon equations, which are most commonly applied to massive bodies, but the framew…
Looking through the Kerr disk
Maciej Maliborski, Tobias C. Sutter
We study null geodesics that connect the two asymptotically flat regions of the maximally extended Kerr spacetime. These vortical geodesics traverse both horizons and pass through…
Quantum interferometry in external gravitational fields
Thomas B. Mieling, Thomas Morling, Christopher Hilweg +1
Current models of quantum interference experiments in external gravitational fields lack a common framework: while matter-wave interferometers are commonly described using the Schr…
Geodesic causality in Kerr spacetimes with
Giulio Sanzeni, Karim Mosani
The analytic extension of the Kerr spacetimes into the negative radial region contains closed causal curves for any non-zero rotation parameter and mass parameter . Furtherm…
On a lower-dimensional Killing vector origin of irreducible Killing tensors
Finnian Gray, Gloria Odak, Pavel Krtouš +1
Considering a spacetime foliated by co-dimension-2 hypersurfaces, we find the conditions under which lower-dimensional symmetries of a base space can be lifted up to irreducible Ki…