Topological Solitons Seminar: Form factors and excitations of topological solitons
22 November 2010 16:15 in CM219
The non-perturbative numerical study of topological solitons has, until recently, been limited to `thermodynamic' results for the free energy of the objects. In this seminar some methods for studying the excitation spectra of defects will be discussed. Using the humble kink as an example -- but supported by recent results for domain walls and the SU(2) 't Hooft-Polyakov monopole -- we will demonstrate methods for measuring the mass, excitations and form factors for topological solitons on the lattice. With this technology, we will be able to move away from the well-known semiclassical results. Finally, some comments on efficient Monte Carlo algorithms for topological solitons on the lattice will also be made.
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