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Seminars

04.09.2012. :: Kolokvijum Instituta za fiziku - Sadhan K. Adhikari

U utorak, 04.09.2012. u 13:00 sati u sali "Zvonko Maric" Instituta za fiziku odrzace se kolokvijum pod naslovom:


Bose-Einstein condensation with dipolar atoms

Sadhan K. Adhikari
Institute of Theoretical Physics
Sao Paulo State University,
Sao Paulo, Brazil


Abstract:
First experiments of Bose-Einstein condensation (BEC) were performed with alkali metal atoms (H, Na, K, Rb etc) with negligible dipolar moment, where the atomic interaction in very dilute matter can be approximated by an s-wave isotropic short-range interaction. This study has later been extended to the dipolar atoms (Cr, Dy, Er etc) with strong anisotropic long-range dipolar interaction. Because of this anisotropic interaction, dipolar BEC has many peculiar properties, such as the formation of solitons with repulsive atomic interaction, anisotropic propagation of sound, anisotropic Landau critical velocity, etc. In this talk we shall describe some of these properties of dipolar BEC.

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