Abstract
Whether a nonthermodynamic driving force, such as an electric current, can induce a global change like a thermodynamic phase transition of the whole system remains an open question. Here, the authors report on a current-driven skyrmion-to-nonskyrmion transition, detected both experimentally and numerically by targeting microscaled MnSi. This nonequilibrium phase change by current emerges when the system is spatially confined by an open boundary, suggesting that a range of novel nonequilibrium phenomena can be explored with attention to system size.
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