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gr-qc2000★ 1 cited
Closed Lightlike Curves in Non-linear Electrodynamics
M. Novello, V. A. De Lorenci, E. Elbaz +1
We show that non-linear electrodynamics may induce a photon to follow a closed path in spacetime. We exhibit a specific case in which such closed lightlike curve (CLC) appears
gr-qc1997
Can Non Gravitational Black Holes Exists?
M. Novello, V. A. De Lorenci, E. Elbaz
We claim that the existence of a mechanism such that photons may be trapped in a compact domain is not an exclusive property of gravitational forces. We show the case in which a no…