Long-lived spin coherence of indirect excitons in GaAs coupled quantum wellsMussie Beian, Mathieu Alloing, Edmond Cambril, Carmen Gomez Carbonell, Johann Osmond, Aristide Lemaître and François DubinEPL, 110 2 (2015) 27001DOI: https://doi.org/10.1209/0295-5075/110/27001