The indecomposable representation of SO0(2, 2) on the one-particle space of the massless field in 1 + 1 dimension |
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| Authors: | De Bievre Stephan Renaud Jacques |
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| Institution: | (1) Isaac Newton Institute for Mathematical Sciences, CB3 0EH Cambridge, UK;(2) Present address: Department of Mathematical Sciences, University of Durham, DH1 3LE Durham, UK |
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| Abstract: | 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 Heisenberg model to achieve topological stability on the lattice. |
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| Keywords: | 81Q99 81T99 |
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