Tiling with almost-BPS states

Abstract

In the light of recent studies of BPS triple junctions in the Wess-Zumino model we describe techniques to construct infinite lattices using similar junctions. It is shown that whilst these states are only approximately locally BPS they are nevertheless stable to small perturbations, giving a metastable tiling of the plane.

replaced with verrsion accepted for PRL,4 pages, 7 figures, latex

References in corpus (1)

• A Bogomol`nyi equation for intersecting domain walls

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