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Coherent interaction between two exciton-phonon solitons due to Bose-Einstein condensation

E. Benson 1 E. Fortin 1 Bernard Prade 2 André Mysyrowicz 2
1 Department of Physics [Ottawa]
2 LOA - Laboratoire d'optique appliquée
Abstract : Nonlinear interaction between two soliton pulses consisting of exciton-phonon coherent fields is observed after propagation in Cu2O. Each soliton is formed independently by random photocreation of hot excitons followed by rapid cooling and Bose-Einstein condensation. The positive interference appears with a delay attributed to the build-up of a common phase for the wavefunctions.
keyword : excitons
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Submitted on : Friday, March 19, 2010 - 11:59:36 PM
Last modification on : Friday, December 3, 2021 - 11:34:03 AM

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E. Benson, E. Fortin, Bernard Prade, André Mysyrowicz. Coherent interaction between two exciton-phonon solitons due to Bose-Einstein condensation. EPL - Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 1997, 40 (3), pp.311. ⟨10.1209/epl/i1997-00458-0⟩. ⟨hal-00465607⟩

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