We consider the problem when there are two kinds of Bosons with an attraction between them. We find the system to consist of two Bose condensates with an additional pairing order between the Bosons. The properties of this state are discussed.
@article{arxiv.1604.05936,
title = {Coexistence of Bose condensation and pairing in Boson mixtures},
author = {S. T. Chui},
journal= {arXiv preprint arXiv:1604.05936},
year = {2016}
}