Galland, Christophe, Alexander Högele, Hakan E. Türeci, and Ataç Imamoğlu. (2008) 2008. “Non-Markovian Decoherence of Localized Nanotube Excitons by Acoustic Phonons”. Physical Review Letters 101 (6). doi:10.1103/physrevlett.101.067402.