Physics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987blma.rept.....l&link_type=abstract
Unknown
Physics
Annihilation Reactions, Astronomical Models, Beta Factor, Boundary Layers, Matter (Physics), Plasma Equilibrium, Pressure Distribution, Magnetic Fields, Plasma Pumping, Plasma-Electromagnetic Interaction
Scientific paper
A model for a boundary layer which separates a cloud of matter from one of antimatter in a magnetized ambiplasma, in which steady pressure equilibrium ceases to exist when a certain beta limit is exceeded is discussed. The latter is defined as the ratio between the ambiplasma and magnetic field pressures which balance each other in the boundary layer. Thus, at an increasing density, the high-energy particles created by annihilation within the layer are pumped up to a pressure which cannot be balanced by a given magnetic field. The boundary layer then disrupts. The critical beta limit thus obtained falls within the observed parameter ranges of galaxies and other large cosmical objects. Provided the matter-antimatter balance holds true, this limit is expected to impose certain existence conditions on matter-antimatter boundary layers. Such a limitation may apply to cosmical objects and cosmological models. The maximum time scale for the corresponding disruption development is 0.0001 to 100 sec for boundary layers at ambiplasma particle densities from 10,000 to 0.1/cu m, respectively.
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