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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper QTuM3

Changes in Excitation Line Shapes due to Beliaev Damping in a BEC

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Abstract

We quantitatively study the Beliaev decay of Bogoliubov quasi-particles of different energies and momenta in an elongated BEC. The structure of the continuum leads to a momentum dependent collisional shift of the excitation spectrum.

© 2007 Optical Society of America

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