Physics – High Energy Physics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..272.1649b&link_type=abstract
Proceedings of the XXVI International Conference on High Energy Physics. Vol. II. AIP Conference Proceedings, Volume 272, pp. 1
Physics
High Energy Physics
Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Magnetic And Electric Fields, Polarization Of Starlight, Chiral Symmetries, Spontaneous And Radiative Symmetry Breaking
Scientific paper
Composite hadronic states exhibit interesting properties in the presence of very intense magnetic fields, such as those conjectured to exist in the vicinity of certain astrophysical objects. We discuss three scenarios. (i) The presence of vector particles with anomalous magnetic moment couplings to scalar particles, induces an instability of the vacuum. (ii) A delicate interplay between the anomalous magnetic moments of the proton and neutron makes, in magnetic fields B>=2×1014 T, the neutron stable and for fields B>=5×1014 T, the proton becomes unstable to a decay into a neutron via β emission. (iii) In the unbroken chiral σ model magnetic fields would be screened out as in a superconductor. It is the explicit breaking of chiral invariance that restores standard electrodynamics. Astrophysical consequences of all these phenomena are discussed.
Bander Myron
Rubinstein H. R.
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