Quantum encryption broken with time travel?

posted onDecember 10, 2008
by hitbsecnews

The field of quantum mechanics allows security codes to be sent completely free of being detected and read. However, U.S. scientists say they could break these quantum encryption codes with time travel, specifically, wormholes. That is, if wormholes exist?

Todd A. Brun, with the Department of Electrical Engineering (University of Southern California), Jim Harrington (Applied Modern Physics (Los Alamos National Laboratory), and Mark M. Wilde (Center for Quantum Technologies (National University of Singapore, and USC) wrote the November 7, 2008 paper “Closed timelike curves enable perfect state distinguishability” [arXiv.org, pdf file]

The introduction to their paper states, “The theory of general relativity points to the possible existence of closed timelike curves (CTCs)”

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