Nonequilibrium topological spin textures in momentum space

Xiao-Xiao Zhang1, Naoto Nagaosa1,2

  • 1RIKEN Center for Emergent Matter Science (CEMS), Saitama 351-0198, Japan.

Summary

Researchers explored spin-channel physics in photoexcited quantum matter using time-resolved spectroscopy. They discovered unique topological optical activity and nonequilibrium topological spin states, potentially useful for spintronic applications.

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