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- W2616573312 abstract "Warp drive spacetimes and wormhole geometries are useful as gedanken-experiments that force us to confront the foundations of general relativity, and among other issues, to precisely formulate the notion of superluminal travel and communication. Here we will consider the basic definition and properties of warp drive spacetimes. In particular, we will discuss the violation of the energy conditions associated with these spacetimes, as well as some other interesting properties such as the appearance of horizons for the superluminal case, and the possibility of using a warp drive to create closed timelike curves. Furthermore, due to the horizon problem, an observer in a spaceship cannot create nor control on demand a warp bubble. To contour this difficulty, we discuss a metric introduced by Krasnikov, which also possesses the interesting property in that the time for a round trip, as measured by clocks at the starting point, can be made arbitrarily short." @default.
- W2616573312 created "2017-05-26" @default.
- W2616573312 creator A5073068411 @default.
- W2616573312 date "2017-01-01" @default.
- W2616573312 modified "2023-10-05" @default.
- W2616573312 title "Wormholes, Warp Drives and Energy Conditions" @default.
- W2616573312 doi "https://doi.org/10.1007/978-3-319-55182-1" @default.
- W2616573312 hasPublicationYear "2017" @default.
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