Time travel paradox
Abstract
We define the time travel paradox in physical terms and prove its existence by constructing an explicit example. We argue further that in theories-such as general relativity-where the spacetime geometry is subject to nothing but differential equations and initial data no paradoxes arise.
- Publication:
-
Physical Review D
- Pub Date:
- March 2002
- DOI:
- arXiv:
- arXiv:gr-qc/0109029
- Bibcode:
- 2002PhRvD..65f4013K
- Keywords:
-
- 04.20.Gz;
- Spacetime topology causal structure spinor structure;
- General Relativity and Quantum Cosmology
- E-Print:
- Minor changes + an explanatory note concerning the lions with the same world lines