Misner space

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Misner space is an abstract mathematical spacetime, discovered by Charles Misner of the University of Maryland. It is also known as the Lorentzian orbifold $\mathbb{R}^{1,1}/boost$ .

It is sort of like a video game screen where in if one goes out of the scene through the right side he enters the frame again through the left end. If the walls of a room enclosing a Misner space could move maybe time travel would be possible.

[edit] External links

M. Berkooz, B. Pioline, M. Rozali. Closed Strings in Misner Space: Cosmological Production of Winding Strings, ESI preprint series, Erwin Schrödinger International Institute for Mathematical Physics.