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Coupled motion of Xe clusters and quantum vortices in He nanodroplets
- Jones, CF;
- Bernando, C;
- Tanyag, RMP;
- Bacellar, C;
- Ferguson, KR;
- Gomez, LF;
- Anielski, D;
- Belkacem, A;
- Boll, R;
- Bozek, J;
- Carron, S;
- Cryan, J;
- Englert, L;
- Epp, SW;
- Erk, B;
- Foucar, L;
- Hartmann, R;
- Neumark, DM;
- Rolles, D;
- Rudenko, A;
- Siefermann, KR;
- Weise, F;
- Rudek, B;
- Sturm, FP;
- Ullrich, J;
- Bostedt, C;
- Gessner, O;
- Vilesov, AF
- et al.
Published Web Location
https://doi.org/10.1103/PhysRevB.93.180510Abstract
Single He nanodroplets doped with Xe atoms are studied via ultrafast coherent x-ray diffraction imaging. The diffraction images show that rotating He nanodroplets about 200 nm in diameter contain a small number of symmetrically arranged quantum vortices decorated with Xe clusters. Unexpected large distances of the vortices from the droplet center (≈0.7-0.8 droplet radii) are explained by a significant contribution of the Xe dopants to the total angular momentum of the droplets and a stabilization of widely spaced vortex configurations by the trapped Xe clusters.
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