Large Grants
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Previous Programs

2015 The Physics of What Happens
2015 Awardees

2013 Physics of Information
2013 Awardees

2010 The Nature of Time
2010 Awardees

2008 Foundational Questions in Physics and Cosmology
2008 Awardees

2006 Foundational Questions in Physics and Cosmology
2006 Awardees

Dr. Ted Jacobson
University of Maryland at College Park

Project Title

Growth of the Vacuum in Quantum Cosmology

Project Summary

Space and time are assumed to be continuous in standard physics, but there are several reasons to suspect that this is only an approximation to a more basic level of description in which the world is discrete. This would be analogous to the fact that matter appears continuous, but is actually composed of discrete atoms. The expansion of the universe would presumably tend to spread out the "atoms of space-time" requiring that, unlike in ordinary matter, new atoms are created as time goes on. The research in this proposal is aimed at understanding possible observable consequences of such creation, and at the challenge to modify the laws of physics to allow for it.

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