Ultrafast Carrier Relaxation and Second Harmonic Generation in a Higher‐Fold Weyl Fermionic System PtAl oleh Vikas Saini, Ajinkya Punjal, Utkarsh Kumar Pandey, Ruturaj Vikrant Puranik, Vikash Sharma, Vivek Dwij, Kritika Vijay, Ruta Kulkarni, Soma Banik, Aditya Dharmadhikari, Bahadur Singh, Shriganesh Prabhu, A. Thamizhavel