Four wave mixing in the scattering of Bose-Einstein condensates

Marek Trippenbach, Yehuda B. Band, Paul S. Julienne

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

The nonlinear coupling term in the Gross-Pitiaevski equation which describes a Bose-Einstein condensate (BEC) can cause four-wave mixing (4WM) if three BEC wavepackets with momenta k1, k2, and k 3 interact. The interaction will produce a fourth wavepacket with momentum k4 = k1 + k2 - k3. We study this process using numerical models and suggest that experiments are feasible. Conservation of energy and momentum have different consequences for 4WM with massive particles than in the nonlinear optics case because of the different energy-momentum dispersion relations.

Original languageEnglish
Pages (from-to)530-537
Number of pages8
JournalOptics Express
Volume3
Issue number13
DOIs
StatePublished - 1 Jan 1998

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