Momentum‐Space Imaging of Ultra‐Thin Electron Liquids in δ‐Doped Silicon oleh Procopios Constantinou, Taylor J. Z. Stock, Eleanor Crane, Alexander Kölker, Marcel vanLoon, Juerong Li, Sarah Fearn, Henric Bornemann, Nicolò D'Anna, Andrew J. Fisher, Vladimir N. Strocov, Gabriel Aeppli, Neil J. Curson, Steven R. Schofield