Higgs-like spectator field as the origin of structure Alexandros Karam, Tommi Markkanen, Luca Marzola, Sami Nurmi, Martti Raidal and Arttu Rajantie Eur. Phys. J. C, 81 7 (2021) 620 Published online: 15 July 2021 DOI: 10.1140/epjc/s10052-021-09417-w