KIP-Veröffentlichungen

 
Jahr 2017
Autor(en) J. Tomkovič, W. Muessel, H. Strobel, S. Löck, P. Schlagheck, R. Ketzmerick, M. K. Oberthaler
Titel Experimental observation of the Poincaré-Birkhoff scenario in a driven many-body quantum system
KIP-Nummer HD-KIP 17-12
KIP-Gruppe(n) F17,F20,P2
Dokumentart Paper
Quelle Phys. Rev. A 95 (2017) 011602
doi 10.1103/PhysRevA.95.011602
Abstract (en)

Accessing the connection between classical chaos and quantum many-body systems has been a long-standing experimental challenge. Here, we investigate the onset of chaos in periodically driven two-component Bose-Einstein condensates, whose small quantum uncertainties allow for exploring the phase space with high resolution. By analyzing the uncertainties of time-evolved many-body states, we find signatures of elliptic and hyperbolic periodic orbits generated according to the Poincaré-Birkhoff theorem, and the formation of a chaotic region at increasing driving strengths. The employed fluctuation analysis allows for probing the phase-space structure by use of only short-time quantum dynamics.

bibtex
@article{PhysRevA95011602,
  author   = {J. Tomkovič, W. Muessel, H. Strobel, S. L\"ock, P. Schlagheck, R. Ketzmerick, M. K. Oberthaler},
  title    = {Experimental observation of the Poincar\'e-Birkhoff scenario in a driven many-body quantum system},
  journal  = {Phys. Rev. A},
  year     = {2017},
  volume   = {95},
  pages    = {011602},
  month    = {Jan},
  doi      = {10.1103/PhysRevA.95.011602},
  url      = {http://link.aps.org/doi/10.1103/PhysRevA.95.011602}
}
Beispielbild
URL PhysRevA.95.011602
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