Astronomy and Astrophysics – Astrophysics
Scientific paper
1998-02-09
Phys.Rev.D58:123001,1998
Astronomy and Astrophysics
Astrophysics
extended version, additions on GRB physics, background sources and cosmological consequences. Two ps figures. Accpeted for pub
Scientific paper
10.1103/PhysRevD.58.123001
The extragalactic microlensing scenario for natural wormholes is examined. It is shown that the main features of wormhole lensing events upon the light of distant Active Galactic Nuclei (AGNs) are similar to some types of already observed Gamma Ray Bursts (GRBs). Using recent satellite data on GRBs, an upper limit to the negative mass density -- ${\cal O} (10^{-36})$ g cm$^{-3}$ -- under the form of wormhole-like objects is presented.
Anchordoqui Luis A.
Romero Gustavo E.
Torres Diego F.
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