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Showing 2009 · gr-qcShow all
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gr-qc2009★ 40 cited
Averaged null energy condition violation in a conformally flat spacetime
Douglas Urban, Ken D. Olum
We show that the averaged null energy condition can be violated by a conformally coupled scalar field in a conformally flat spacetime in 3+1 dimensions. The violation is dependent…
gr-qc2009★ 36 cited
Quantum Lightcone Fluctuations in Compactified Spacetimes
Hongwei Yu, N. F. Svaiter, L. H. Ford
We treat the effects of compactified spatial dimensions on the propagation of light in the uncompactified directions in the context of linearized quantum gravity. We find that the…