[PDF] Top 20 Dynamics of Bose-Einstein condensates in cigar-shaped traps

... distribution of the BEC density and its radial velocity are approximated by real and imaginary Gaussian functions, respectively, with parameters depending on the axial coordinate ...system of equations for ... See full document

... aim of the present work is to consider the dynamics of solitons in the one-dimensional DNLS model with the nonlinearity subject to periodic ...cases of both relatively slow and rapid ... See full document

... that, in the 2D case, this issue is similar to a problem that was recently considered in nonlinear optics for ~211!D spatial solitons ...@7# of the Kerr ~nonlinear! coefficient are subject to a ... See full document

... Thus, in this paper we will study the atomic tunneling between two tunnel-coupled BEC’s in a double-well time- dependent ...Namely, in Sec. II we will study the nonlin- ear resonance phenomena ... See full document

... realization of ring-shaped and spherical-shell-shaped traps ...application of an oscillating magnetic bias field to a radio-frequency-dressed quadrupole trap ...geometries of the ... See full document

... expansion of Bose-Einstein conden- sate (BEC) have shown [1] that evolution of large and smooth distributions of BEC is described very well by hy- drodynamic approximation [2] where ... See full document

... covery of the possibility of continuously changing the inter- action between cold 85 Rb atoms by a magnetic-field-induced Feshbach resonance @23,24# suggests that one could experi- mentally form vortex ... See full document

... systems in the last two decades. In 2005 the experimental realization of a 52 Cr Bose-Einstein condensate with inter-atomic magnetic dipole dipole interaction opened the door to a new ... See full document

... simulations of the 3D Gross-Pitaevskii ~GP! equation are performed in ...occur in the condensate and, for particular values of atomic feeding and three-body dissi- pation parameters, stable ... See full document

... loss of atoms from the strongly attractive condensate we include an ab- sorptive nonlinear three-body recombination term in the GP ...use in nu- merical simulation is the same as used in a ... See full document

... features of time to collapse could be under- stood on a physical ground. In a cigar-shaped condensate the average distance among the atoms is larger than that in a pancake-shaped ... See full document

... follow Bose Statistics and can undergo Bose-Einstein condensation ...feature of the systems mentioned above is that the nodes self-organize into a complex network, whose topology and evolution ... See full document

... Rb in “cigar-shaped” traps 关1兴, with the atomic scattering length made negative 共which corresponds to the attraction between atoms兲 by means of the Feshbach-resonance 共FR兲 technique ... See full document

... symmetric traps (l51), as one could also infer from the variational calculations given in ...@9#. In particular, we determined the values of k for the ratios considered in the JILA ... See full document

... dilute Bose-Einstein condensates (BECs) can be accurately described by the three-dimensional (3D) Gross-Pitaevskii equation (GPE) ...the dynamics of quasi-1D or quasi-2D BECs as ... See full document

... The Bose-Einstein condensates were theoretically predicted in ...reported in 1995, laureating their discoverers with the 2001 Nobel ...year of 2015 celebrates the ninetieth ... See full document

... calculations, in order to probe their consistency and possible ...atomic traps are in general harmonic and non- ...asymmetric traps have been recently employed in experimental ... See full document

... scope of this study was limited to homegenous turbulent cloud which ended up with some approximated ...describe in Chapter 5, to recover the 3D momentum distribution we have used the Abel transformation ... See full document

... shown in Fig. 1(b). The atoms in this soliton can be considered to be distributed in regions perpendicular to the polarization direction shown by dark and bright stripes in ...atoms in ... See full document

... Using variational approximation and numerical solution of a set of coupled mean-field GP equations, we demonstrate the existence of a stable dipolar 164 Dy droplet bound by interspecies [r] ... See full document