[institut] Kolokvijum Instituta za fiziku
sanja cirkovic
cirkovic at ipb.ac.rs
Fri Aug 31 16:10:21 CEST 2012
Postovani saradnici,
Obavestavamo Vas da ce se dana, 04.09.2012. (utorak) u 13:00 sat odrzati kolokvijum Instituta za fiziku
u sali "Zvonko Maric".
Speaker: Sadhan K. Adhikari
Title: Bose-Einstein condensation with dipolar atoms
Inst: 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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