Nielsen, Anne E. B. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.013609 (Publisher version)
Dobrzyniecki, J., Li, X., Nielsen, A. E. B., & Sowinski, T. (2018). Effective three-body interactions for bosons in a double-well confinement. Physical Review A, 97(1): 013609. doi:10.1103/PhysRevA.97.013609.