Only gravity could go there branes surfaces or

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Unformatted text preview: tered” by the acts of a time traveler who went back in time. Vacuum energy and time machines – vacuum quantum energy could travel into the past, pile up, and create such a high gravity that any worm hole would be quickly sealed. This issue cannot be resolved without a complete theory of quantum gravity. Classic quantum theory – particles are points (electrons) that also have quantum wave- like properties, or are made up of point particles (protons are made of three quarks). The notion of particles as strings changes that picture in a fundamental way. String Theory – “particles” are actually strings in a space of 10 dimensions plus time. The theory “contains” Einstein’s General Relativity and has been used to compute the temperature of a black hole from basic theory. Infor...
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This document was uploaded on 02/18/2014 for the course AST 309N at University of Texas.

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