Along the (100) direction of tungsten, interband transitions induced by circularly polarized light of energy 1.5 eV
Bibliographical noteCopyright (1979) by the American Physical Society.
Zürcher, P., Meier, F., & Christensen, N. E. (1979). Optically Polarized Conduction-Band Electrons in Tungsten Observed by Spin-Polarized Photoemission. Physical Review Letters, 43(1), 54-57. https://doi.org/10.1103/PhysRevLett.43.54