[PDF] Top 20 Atomic interaction effects in the superradiant light scattering from a Bose-Einstein condensate

... resulting from the interference between the laser and the backscattered radiation, whose amplitude is amplified by the matter-wave grating described by the first term on the right hand side of ... See full document

... of atomic matter waves in a cigar-shaped Bose-Einstein Condensate (BEC) pumped by an off-resonant laser beam, together with highly directional scattering of light along the major ... See full document

... in atomic waveguides it is desirable to minimize the dispersion of a traveling wave ...well-known from nonlinear optics and have been demonstrated in various fiber optics experiments ...dispersive ... See full document

... this atomic species presents many convenient Feshabch resonances at eas- ily accessible magnetic field ...particular atomic species presents many difficulties, both for the laser and evaporative cooling ... See full document

... hot atomic vapours, for a number of years [1–5]. In the case of hot atomic vapours these phenomena rely solely on spatial modulation of the in- ternal states of the atoms (electronic or Zeeman states) with ... See full document

... the condensate itself and the influence of imaging light on this ...The scattering interaction inher- ently involves the transfer of momentum between the photons and the ...imaging ... See full document

... of light coupled to the BEC, self-organization has been observed, but is uniquely defined by cavity geometry alone and is best described as a density-wave (DW) polariton condensate 12–14 ...arising ... See full document

... signal from the light to the atomic ...arising from a crystalline impurity distribution on the surface of a 3D ...for Bose-Einstein condensates, employing long-range interactions ... See full document

... the effects of long-range and anisotropic interactions in ultracold atomic gases ...The interaction can then lead to novel instabilities, ...a condensate may be strongly influenced by the spin ... See full document

... climatic effects involving large masses down to ...in atomic Bose-Einstein condensates (BECs) make them excellent candidates for studying quantum ... See full document

... Having regard to the above, the existence proof of BEC requires additional methods beside luminescence. The related opportunity exists because BEC of excitons interacts with other subsystems, e.g. phonon and photon ones. ... See full document

... Kapiza-Dirac scattering regime and the Superradiant Rayleigh scattering regime are described as the “short-pump pulse” and “long-pump pulse” limits ...collective scattering makes a transition ... See full document

... Coupling via the surface potential We demonstrated the coupling of a mechanical oscillator to a magnetically trapped BEC on an atom chip via the surface potential which arises from the oscillators surface. A nice ... See full document

... the Bose-Einstein condensate; x and t are the normalized distance and retarded time, res- pectively; α and β are all the real numbers; µ is the nonlinearity para- meter; i β is the gain ( β < 0 ) ... See full document

... this interaction energy the system has the only possibil- ity to change the two density distributions in order to reduce the overlap area between the two ... See full document

... There are two distinct regimes of rotation according to the value of Ω. For low rotational velocity, there is a transition from none to a few vortices in the system, and their characteristic size is much smaller ... See full document

... the condensate wave function and the Bogoliubov equations for the quasi-particle excitations has proven to be accurate in describing the collective modes of the ...the effects of the thermal gas ... See full document

... the BEC are approximated both by considering only two spatial modes of the condensate and by neglecting the interactions between atoms, a setup previously described in [21]. Here, we consider the effect of a ... See full document

... of Bose Einstein Condensate (BEC) trapped in a harmonic potential were ...in Bose-Einstein Condensate depends linearly with the interaction parameter ... See full document

... cases. The results indicate that here the excitation energy decrease and attain a minimum value and then increases for each case of k. For k=1, the minimum value is 1.6, for k=2.5., the minimum is 0.6 and for k=4, no ... See full document