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cond-mat.mtrl-sci2026
All optical ultrafast pure spin current in the altermagnet CrSO
Deepika Gill, Ruikai Wu, Peter Elliott +2
All-optical generation of pure spin current -- the flow of spin in the absence of a corresponding charge flow -- relies on a symmetry based compensation of valley charge. The 2d $d…
cond-mat.mes-hall2026
Ultrafast ghost Hall states in a 2d altermagnet
Ruikai Wu, Deepika Gill, Sangeeta Sharma +1
Two-dimensional materials that exhibit optically active spin and valley degrees of freedom represent one of the most fascinating -- and potentially most technologically useful -- p…