Quantum Gravity and String Theory


This Time - What a Strange Turn of Events!

Authors: Philip Gibbs

In relativity time is bound to space by the symmetries of spacetime. In the general theory the symmetry is covariance under diffeomorphisms but in string theory this extends to the full permutation group acting on spacetime events. This huge symmetry has profound implications for the nature of time, causality and the way we see our place in the universe.

Comments: submission to the 2008 FXQi essay contest on "The Nature Of Time". Published in Presapcetime Journal V2, p162-171

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Submission history

[v1] 9 Jul 2009

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