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Classical and Quantum Mechanics of Free κ-Relativistic Systems. (1995)
Book Chapter
Zakrzewski, W., Lukierski, J., & Ruegg, H. (1995). Classical and Quantum Mechanics of Free κ-Relativistic Systems. In J. Lukierski, Z. Popowicz, & J. Sobczyk (Eds.), Quantum groups : formalism and applications : XXX Karpacz Winter School of Theoretical Physics, Karpacz, Poland, 14-26 February 1994 (539-554). Polish Scientific Publishers

We consider the Hamiltonian and Lagrangian formalism describing free κ-relativistic particles with their four-momenta constrained to the κ-deformed mass shell. We study the formalism with commuting as well as noncommuting (i.e., with nonvanishing Poi... Read More about Classical and Quantum Mechanics of Free κ-Relativistic Systems..

Stable topological Skyrmions on the 2D lattice. (1995)
Journal Article
Ward, R. (1995). Stable topological Skyrmions on the 2D lattice. Letters in Mathematical Physics, 35(4), 385-393. https://doi.org/10.1007/bf00750845

In the continuum O(3) sigma model in two spatial dimensions, there are topological solitons whose size can be stabilized by adding Skyrme and potential terms. This Letter describes a lattice version, namely a natural way of modifying the 2D Heisenber... Read More about Stable topological Skyrmions on the 2D lattice..

Multisolitons in a two-dimensional Skyrme Model (1995)
Journal Article
Piette, B., Schroers, B., & Zakrzewski, W. (1995). Multisolitons in a two-dimensional Skyrme Model. Zeitschrift für Physik. C, Particles and fields, C(65), 165-174