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4 papers · 2 filters
Dissipating Cosmic Vortons and Baryogenesis
Anne-Christine Davis, Warren B. Perkins
Grand unified theories can admit cosmic strings with fermion zero modes which result in the string carrying a current and the formation of stable remnants, vortons. We consider the…
Generic Current-Carrying Strings
Anne-Christine Davis, Warren B. Perkins
We investigate the standard model in a cosmic string background and show that the electroweak symmetry is partially restored. For a range of parameters the electroweak Higgs field…
A Test of Target Independence of the `Proton Spin' Effect in Semi-Inclusive Deep Inelastic Scattering
G. M. Shore
The target-independent suppression mechanism proposed as an explanation of the EMC-SMC `proton spin' effect is reviewed and compared to current experimental data. According to this…
Quantisation of Global Isospin in the Skyrme Crystal
W. K. Baskerville
A quantisation of chiral symmetry within the Skyrme crystal is carried out. The definition of global isospin in the crystal is explored, and found to be ambiguous. However, the sta…