Universality of fragmentation in the Schrödinger dynamics of bosonic Josephson junctions

@article{Sakmann2014UniversalityOF,
  title={Universality of fragmentation in the Schr{\"o}dinger dynamics of bosonic Josephson junctions},
  author={Kaspar Sakmann and Alexej I. Streltsov and Ofir E. Alon and Lorenz S. Cederbaum},
  journal={Physical Review A},
  year={2014},
  volume={89},
  pages={023602}
}
  • Kaspar Sakmann, Alexej I. Streltsov, +1 author Lorenz S. Cederbaum
  • Published 2014
  • Physics
  • Physical Review A
  • The many-body Schr\"odinger dynamics of a one-dimensional bosonic Josephson junction is investigated for up to 10 000 bosons and long times. The initial states are fully condensed and the interaction strength is weak. We report on a universal fragmentation dynamics on the many-body level: systems consisting of different numbers of particles fragment to the same value at constant mean-field interaction strength. The phenomenon manifests itself in observables such as the correlation functions of… CONTINUE READING

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