Back-in-Time and Faster-than-Light Travel in General Relativity
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Beschreibung
For the past 20 years causality violations and superluminal motion have been the object of intensive study as physical and geometrical phenomena. This book compiles the results of its author and also reviews other work in the field. In particular, the following popular questions are addressed:
- Is causality protected by quantum divergence at the relevant Cauchy horizon?
- How much "exotic matter" would it take to create a time machine or a warp drive?
- What is the difference between a "discovered" time machine and a created one?
- Why does a time traveler fail to kill their grandfather?
- How should we define the speed of gravity and what is its magnitude?
For the past 20 years causality violations and superluminal motion have been the object of intensive study as physical and geometrical phenomena. This book compiles the results of its author and also reviews other work in the field. In particular, the following popular questions are addressed:
- Is causality protected by quantum divergence at the relevant Cauchy horizon?
- How much "exotic matter" would it take to create a time machine or a warp drive?
- What is the difference between a "discovered" time machine and a created one?
- Why does a time traveler fail to kill their grandfather?
- How should we define the speed of gravity and what is its magnitude?
Addresses the physics and mechanics of time travel and faster-than-light motion, compiled by an acknowledged expert Readers uninterested in rigorous proofs can safely skip most of the mathematics but still understand the conceptual issues The bibliography is organized so that the book can be used -to some extent- as a review Proves all statements that cannot be found in well-established textbooks
Autor*in
Serguei Krasnikov
Themen in »Back-in-Time and Faster-than-Light Travel in General Relativity«
Time travel in general relativity Superluminal travel in general relativity Time machine Warp drive Causality violations Grandfather paradox Alcubierre bubble Krasnikov tube Traversable wormhole Speed of gravity
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Details
ISBN: 9783030102609
Verlag: Springer International Publishing
Erscheinung: 01.02.2019