Solving Paradoxes of Time Travel Using the Many World Interpretation Theory

Abstract

My primary motivation came from a remark that I had heard the Leader of Opposition make in one of the conferences that I had attended, "Can we go back in time to undo what has been done?" I thought and thought about it for a while. After sometime, I was watching one episode of the Big Bang Theory, and I found my answer in one of Sheldon's explaination of time travel. I then used the Everest interpretation to demonstrate the possibility of time travel in a self consistent framework. The following paper aims to consider each universe as a separate quantum system and thus, aims to apply the basic principles of quantum mechanics to argue that no 2 universes share the same wavefunctions. We thus use the multiverse theory to solve the basic paradoxes related to time travel, in which reality transitions occur by shifting between pre-existing universes rather than modifying an existing one. Furthermore, the No-Broadcasting Theorem by Barnum et al. is applied to demonstrate that no two universes can share the same wavefunction, providing rigorous basis for the uniqueness of each universe.

Keywords

Natural Science - Physics

Citation

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