Warp drive aerodynamics

Warp drive aerodynamics. Barceló, C., Boyanov, V., Garay, L. J., Martín-Martínez, Eduardo, & Sánchez Velázquez, J. M. J. High Energy Phys., 2022(8):288, Aug, 2022.

Paper doi abstract bibtex

In this work we analyse the potential for a warp drive spacetime to develop instabilities due to the presence of quantum matter. Particularly, we look for points of infinite blueshift (which are analogous to points of a black hole inner horizon, known for its semiclassical instability), and categorise them through the behaviour of geodesics in their vicinity. We find that warp-drive bubbles in dimension 2+1 or higher are in fact likely to be stable, as they generally contain only isolated points where divergences are approached, leading to a finite limit for the overall accumulation of destabilising energy. Furthermore, any semiclassical instabilities in the warp drive due to energy-density buildups can be further diminished with particular, more ``aerodynamic'' shapes and trajectories for the drive.

@Article{Barcel02022,
author={Barcel{\'o}, Carlos
and Boyanov, Valentin
and Garay, Luis J.
and Mart{\'i}n-Mart{\'i}nez, Eduardo
and S{\'a}nchez Vel{\'a}zquez, Jose M.},
title={Warp drive aerodynamics},
journal={J. High Energy Phys.},
year={2022},
month={Aug},
day={29},
volume={2022},
number={8},
pages={288},
abstract={In this work we analyse the potential for a warp drive spacetime to develop instabilities due to the presence of quantum matter. Particularly, we look for points of infinite blueshift (which are analogous to points of a black hole inner horizon, known for its semiclassical instability), and categorise them through the behaviour of geodesics in their vicinity. We find that warp-drive bubbles in dimension 2+1 or higher are in fact likely to be stable, as they generally contain only isolated points where divergences are approached, leading to a finite limit for the overall accumulation of destabilising energy. Furthermore, any semiclassical instabilities in the warp drive due to energy-density buildups can be further diminished with particular, more ``aerodynamic'' shapes and trajectories for the drive.},
issn={1029-8479},
doi={10.1007/JHEP08(2022)288},
url={https://doi.org/10.1007/JHEP08(2022)288}
}

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