Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-04-14
"Frontiers of Particle Physics", ed. A.I. Studenikin, World Scientific, Singapore, 2003, pp.289-294
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX 2.09, 3 stylefiles (10lomcon, cite, psfig), 6 pages, 2 eps figures. To be published in the Proceedings of 10th Lomonosov
Scientific paper
Search for the mechanisms suppressing formation of Higgs field defects (e.g. domain walls) during the cosmological phase transitions is one of key problems in explanation of the observed large-scale uniformity of the space-time. One of the possible solutions can be based on accounting for Einstein-Podolsky-Rosen (EPR) correlations. Namely, if a coherent quantum state of the Higgs field was formed in the course of its previous evolution, then reduction to the state with broken symmetry during the phase transition should be correlated even at the scales exceeding the local cosmological horizons. Detailed consideration of the simplest one-dimensional cosmological model with Z2 Higgs field demonstrates that, at certain parameters of the Lagrangian, EPR-correlations really result in a substantial suppression of spontaneous formation of the domain walls.
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