%0 Journal Article %A Christian Hainzl %A Benjamin Schlein %A Arnaud Triay %T Bogoliubov theory in the Gross-Pitaevskii limit: a simplified approach %J Forum of Mathematics, Sigma %D 2022 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2022.78/ %R 10.1017/fms.2022.78 %G en %F 10_1017_fms_2022_78