KIP publications

year 2011
author(s) E. Nicklas, H. Strobel, T. Zibold, C. Gross, B. A. Malomed, P. G. Kevrekidis and M. K. Oberthaler
title Rabi Flopping Induces Spatial Demixing Dynamics
KIP-Nummer HD-KIP 11-76
KIP-Gruppe(n) F20,P2
document type Paper
Keywords (shown) interacting dressed states demixing dynamics Rabi oscillations
source Phys Rev Lett 107 (2011) 193001, arXiv:1109.5601
Abstract (en)

We experimentally investigate the mixing and demixing dynamics of Bose-Einstein condensates in the presence of a linear coupling between two internal states. The observed amplitude reduction of the Rabi oscillations can be understood as a result of demixing dynamics of dressed states as experimentally confirmed by reconstructing the spatial profile of dressed state amplitudes. The observations are in quantitative agreement with numerical integration of coupled Gross-Pitaevskii equations without free parameters, which also reveals the criticality of the dynamics on the symmetry of the system. Our observations demonstrate new possibilities for changing effective atomic interactions and studying critical phenomena.

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