[PDF] Top 20 Bose-Einstein condensation and the atom laser

... A velocity dependent sub-Doppler cooling mechanism arises in this configuration due to a combination of polarisation-dependent optical pumping and constant but different light shifts 2 .[r] ... See full document

... Albert Einstein extended ideas put forth by Satyendra Nath Bose, who had been examining photon statistics and blackbody radiation; these insights resulted in our modern notion of Bose-Einstein ... See full document

... electron mass, which makes possible polariton BEC at high temperatures, even up to room temperature [1]. After the demonstration of BEC in CdTe microcavities in 2006 [2], a number of interesting effects related to this ... See full document

... the laser table can withstand up to 80 ◦ C, but we have been able to heat the chamber and ion pump to nearly 200 ◦ C without noticing any ...the atom chip, the chamber’s outside temperature should be no ... See full document

... more laser beams, onecan obtain one, two, and three-dimensional (1D, 2D and 3D) periodic potentials ...of laser beams, generates a single standing wave interference pattern excellently an array of 2D ... See full document

... stable laser resonator ’traps’ not only light waves but also light rays, a light-pulse resonator could perhaps not only trap atoms in a BEC but also hotter or Fermionic ... See full document

... of Bose-Einstein condensates from an entropy point of view, since isentropic transformations have been widely used to manipulate quantum ...guided-atom laser and the one of the trapped BEC ... See full document

... an early example of polariton condensation. During the early years of polariton con- densation, researchers in the field had to measure up with colleagues working with cold atoms by demonstrating that they were ... See full document

... of 87 Rb, 7 Li, 23 Na and others has generated a great deal of interest in the statistical investigation of interacting (imperfect) quantum particle systems. It is realised that the conventional ... See full document

... in atom-atom scattering to vary the mag- nitude and even the sign of the coupling strength by merely tuning an applied magnetic ...where Bose-Einstein condensation of preformed, ... See full document

... of Bose selection, which was recently developed to describe (nonequilibrium) Bose condensation of ideal gases of massive bosons with conserved particle number [41], with particle loss and the ... See full document

... Keywords: Bose-Einstein condensation in trapped atomic gases, time dependent Gross-Pitaeveskii equation, Frequency of collective modes, Monopole excitation, Quadrupole e[r] ... See full document

... the condensation of supermode DW polaritons from condensation of the atoms; for example, self-consistent formation of atomic DWs and cavity light can be studied with thermal atoms 21,22 and with BECs 12 ... See full document

... this transition is not driven by interactions between particles [6]. Although many advanced technologies are used, but the vast majority of atoms are randomly oriented, large-scale BEC has never been observed [1-6]. In ... See full document

... in atom interferometry and precision measurements, Bose-condensed sources present an intriguing alternative to thermal ...of Bose-condensed sources for atom ...of Bose-Einstein ... See full document

... nant laser field to higher energy levels, thereby raising the energy of the unwanted levels through the ac Stark shift, and making spin-exchange collisions energetically unfavorable 关 15 兴 ... See full document

... the study of transport phenomena are not easily feasible in trapped gases. On the other hand, interference patterns, associated with phase coherence, have been already observed (Andrews, Townsend et.al.) 1 and ... See full document

... In this paper, we have evaluated the critical temperature for the Bose-Einstein condensation (BEC) for the atom-molecule mixture at the fixed total atomic density. Two results were given one ... See full document

... the atom-atom interactions, when taken into account in the model, can lead to density in the center of the condensate much smaller than the density predicted for an ideal gas in the same trap (see ... See full document

... Bose-Einstein condensation (BEC) was predicted right after the introduction of Bose statistics [1]. However, it took 70 years to observe BEC experimentally [2]. The main difficulty for obtaining ... See full document