Multifield-induced antiferromagnet transformation into altermagnet and realized anomalous valley Hall effect in monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>VPSe</mml:mi> <mml:mn>3</mml:mn> </mml:msub> </mml:math>

Hanbo Sun, Pengqiang Dong, Chao Wu, Ping Li