Vacuum discharge as a possible source of gamma-ray bursts

Details Vacuum discharge as a possible source of gamma-ray bursts Vacuum discharge as a possible source of gamma-ray bursts

1999-12-15

arxiv.org/abs/astro-ph/9912303v2

Int.J.Mod.Phys. E9 (2000) 185-192

Astronomy and Astrophysics

Astrophysics

12 pages, Latex, 2 figures included; replaced by the revised version, Int. J. Mod. Phys. E in press

Scientific paper

10.1142/S0218301300000118

We propose that spontaneous particle--anti-particle pair creations from the discharged vacuum caused by the strong interactions in dense matter are major sources of $\gamma$-ray bursts. Two neutron star collisions or black hole-neutron star mergers at cosmological distance could produce a compact object with its density exceeding the critical density for pair creations. The emitted anti-particles annihilate with corresponding particles at the ambient medium. This releases a large amount of energy. We discuss the spontaneous $p\bar{p}$ pair creations within two neutron star collision and estimate the exploded energy from $p\bar{p}$ annihilation processes. The total energy could be around $10^{51} - 10^{53}$ erg depending on the impact parameter of colliding neutron stars. This value fits well into the range of the initial energy of the most energetic $\gamma$-ray bursts.

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