Auflistung nach Schlagwort "Spin excitation"

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  • Multiresonant Spinor Dynamics in a Bose-Einstein Condensate 
    Klempt, Carsten; Topic, O.; Gebreyesus, G.; Scherer, M.; Henninger, T.; Hyllus, P.; Ertmer, Wolfgang; Santos, Luis; Arlt, Jan J. (College Park : American Physical Society, 2009)
    We analyze the spinor dynamics of a (87)Rb F=2 condensate initially prepared in the m(F)=0 Zeeman sublevel. We show that this dynamics, characterized by the creation of correlated atomic pairs in m(F)=+/- 1, presents an ...
  • Spin and mass excitations in the doped multiple spin exchange model on a triangular lattice: 3He on graphite 
    Seki, K.; Shirakawa, T.; Ohta, Y. (Bristol : IOP Publishing Ltd., 2009)
    Using an exact-diagonalization technique on small clusters, we calculate the spin and density excitation spectra as well as the temperature dependence of the specific heat for the triangular-lattice t-J model with the ...