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Skyrmionic division

Magnetic skyrmions and skyrmion bags are nano-scale spin textures whose stability, size and ease of manipulation make them strong contenders for next generation data and logic applications. Skyrmion bags are composite skyrmions of any integer topological degree and this means they have emergent properties not present in unitary degree skyrmions. Here we present models and theoretical descriptions demonstrating the process of skyrmionic division where a skyrmion or skyrmion bag can be divided into two or more skyrmionic structures. This exciting result could pave the way to entirely new types of skyrmion device in the emerging fields of spintronics and neuromorphic computing.