We observe phononlike excitations of a Bose-Einstein condensate (BEC) in a dilute atomic gas. 87Rb atoms are optically trapped and precooled, loaded into a magnetic trap, and then evaporatively cooled through the BEC phase transition to form a condensate. We excite the condensate by applying an inhomogeneous oscillatory force with adjustable frequency and symmetry. We have observed modes with different angular momenta and different energies and have studied how their characteristics depend on interaction energy. We find that the condensate excitations persist longer than their counterparts in uncondensed clouds.
CITATION STYLE
Moskaliuk, J. (2016). Generation Y als Herausforderung für Führungskräfte. Psychologisches Praxiswissen für wertorientierte Führung. essentials (p. 41). Retrieved from http://www.springer.com/series/13088 https://link-springer-com.eaccess.ub.tum.de/book/10.1007/978-3-658-13400-6/page/1
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