Parametrically excited star-shaped patterns at the interface of binary Bose-Einstein condensates

Structure of binary Bose-Einstein condensates

We identify all possible classes of solutions for two-component Bose-Einstein condensates (BECs) within the Thomas-Fermi (TF) approximation, and check these results against numerical simulations of the coupled Gross-Pitaevskii equations (GPEs). We find that they can be divided into two general categories. The first class contains solutions with a region of overlap between the components. The ot...

Boolean Bose-einstein Condensates Bose-einstein Condensates

Burris, Stanley. ‘‘George Boole.’’ In The Stanford Encyclopedia of Philosophy, edited by Edward N. Zalta. 2010. Available from http://plato.stanford.edu/archives/sum2010/entries/boole/ Krantz, Steven G. Discrete Mathematics Demystified. New York: McGraw-Hill, 2009. Nahin, Paul J. The Logician and the Engineer: How George Boole and Claude Shannon Created the Information Age. Princeton, NJ: Princ...

Probing the Circulation of Ring-shaped Bose-Einstein Condensates

Faraday patterns in bose-Einstein condensates.

Temporal periodic modulation of the interatomic s-wave scattering length in Bose-Einstein condensates is shown to excite subharmonic patterns in the atom density through a parametric resonance. The dominant wavelength of the spatial structures is primarily selected by the excitation frequency but also affected by the depth of the spatial modulation via a nonlinear resonance. These phenomena rep...

Multiple atomic dark solitons in cigar-shaped Bose-Einstein condensates

G. Theocharis,1 A. Weller,2 J. P. Ronzheimer,2 C. Gross,2 M. K. Oberthaler,2 P. G. Kevrekidis,1 and D. J. Frantzeskakis3 1Department of Mathematics and Statistics, University of Massachusetts, Amherst, MA 01003-4515, USA 2Kirchhoff Institut für Physik, INF 227, Universität Heidelberg, D-69120 Heidelberg, Germany 3Department of Physics, University of Athens, Panepistimiopolis, Zografos, Athens G...