From: sanja cirkovic <cirkovic@ipb.ac.rs>

Subject: [institut] Kolokvijum Instituta za fiziku

Date: 31 August 2012 16:10:21 GMT+02:00

To: institut@ipb.ac.rs

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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