Many-body origin of the “trion line” in doped quantum wellsM. Combescot, J. Tribollet, G. Karczewski, F. Bernardot, C. Testelin and M. ChamarroEurophys. Lett., 71 3 (2005) 431-437DOI: https://doi.org/10.1209/epl/i2005-10101-8