Seidel, Alexander Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.155135 (Publisher version)
Weerasinghe, A., Mazaheri, T., & Seidel, A. (2016). Bounds for low-energy spectral properties of center-of-mass conserving positive two-body interactions. Physical Review B, 93(15): 155135. doi:10.1103/PhysRevB.93.155135.