Time, vacuum energy, and the cosmological constant

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Authors
Husain, Viqar
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Abstract
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We describe a link between the cosmological constant problem and the problem of time in quantum gravity. This arises by examining the relationship between the cosmological constant and vacuum energy in light of non-perturbative formulations of quantum gravity.
Comment: 5 pages. Honorable mention, Gravity Research Foundation Essay Awards (2009)
Keywords
General Relativity and Quantum Cosmology, High Energy Physics - Theory
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