
arXiv: 1703.09093
A discrete analogue of the extended Bogomolny-Prasad-Sommerfeld (BPS) Skyrme model that admits time-dependent solutions is presented. Using the spacing h of adjacent lattice nodes as a parameter, we identify the spatial profile of the solution and the continuation of the relevant branch of solutions over the lattice spacing for different values of the potential (free) parameter α. In particular, we explore the dynamics and stability of the obtained solutions, finding that, while they generally seem to be prone to instabilities, for suitable values of the lattice spacing and for sufficiently large values of α, they may be long-lived in direct numerical simulations.
High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Nuclear physics, Other elementary particle theory in quantum theory, FOS: Physical sciences, Discrete version of topics in analysis, Pattern Formation and Solitons (nlin.PS), Nonlinear Sciences - Pattern Formation and Solitons, Simulation and numerical modelling (quantum field theory)
High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Nuclear physics, Other elementary particle theory in quantum theory, FOS: Physical sciences, Discrete version of topics in analysis, Pattern Formation and Solitons (nlin.PS), Nonlinear Sciences - Pattern Formation and Solitons, Simulation and numerical modelling (quantum field theory)
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