Extended Data Fig. 1: ARPES data of PdSe2 in kx and ky.
From: Dark states of electrons in a quantum system with two pairs of sublattices
a-p, Complete set of ARPES data taken at 80 K along kx (a-h) and ky (i-p). The light polarisation and scattering plane are shown by p-pol / xz (a,e,i,m), s-pol / xz (b,f,j,n), p-pol / yz (c,g,k,o), and s-pol / yz (d,h,l,p), as marked on the top. The photon energy is 87 eV for kz = Γ6 (a-d,i-l) and 119 eV for kz = Γ7 (e-h,m-p), as marked on the left. After background normalisations, the same colour scale is applied to each pair of data taken by p-polarised light and s-polarised light. Grey dotted lines indicate the expected ___location of valence bands. It can be identified that the valence bands of PdSe2 centred at all Γ points but Γ006 are dark states, regardless of scattering planes.
