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Showing 2006 · gr-qcShow all
3 papers · 2 filters
gr-qc2006★ 50 cited
Averaged null energy condition in spacetimes with boundaries
Christopher J. Fewster, Ken D. Olum, Michael J. Pfenning
The Averaged Null Energy Condition (ANEC) requires that the average along a complete null geodesic of the projection of the stress-energy tensor onto the geodesic tangent vector ca…
gr-qc2006★ 34 cited
Possible Constraints on the Duration of Inflationary Expansion from Quantum Stress Tensor Fluctuations
Chun-Hsien Wu, Kin-Wang Ng, L. H. Ford
We discuss the effect of quantum stress tensor fluctuations in deSitter spacetime upon the expansion of a congruence of timelike geodesics. We treat a model in which the expansion…
gr-qc2006★ 34 cited
Spectral Line Broadening and Angular Blurring due to Spacetime Geometry Fluctuations
R. T. Thompson, L. H. Ford
We treat two possible phenomenological effects of quantum fluctuations of spacetime geometry: spectral line broadening and angular blurring of the image of a distance source. A geo…