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Showing 2012 · gr-qcShow all
3 papers · 2 filters
gr-qc2012★ 22 cited
Averaged null energy condition in a classical curved background
Eleni-Alexandra Kontou, Ken D. Olum
The Averaged Null Energy Condition (ANEC) states that the integral along a complete null geodesic of the projection of the stress-energy tensor onto the tangent vector to the geode…
gr-qc2012★ 3 cited
Multi-step Fermi normal coordinates
Eleni-Alexandra Kontou, Ken D. Olum
We generalize the concept of Fermi normal coordinates adapted to a geodesic to the case where the tangent space to the manifold at the base point is decomposed into a direct produc…
gr-qc2012★ 20 cited
An Analog Model for Quantum Lightcone Fluctuations in Nonlinear Optics
L. H. Ford, V. A. De Lorenci, G. Menezes +1
We propose an analog model for quantum gravity effects using nonlinear dielectrics. Fluctuations of the spacetime lightcone are expected in quantum gravity, leading to variations i…