Spin Hamilton Operators, Symmetry Breaking, Energy Level Crossing, and Entanglement

@article{Steeb2012SpinHO,
  title={Spin Hamilton Operators, Symmetry Breaking, Energy Level Crossing, and Entanglement},
  author={Willi-Hans Steeb and Y. Hardy and J. D. Greef},
  journal={Zeitschrift f{\"u}r Naturforschung A},
  year={2012},
  volume={67},
  pages={608 - 612}
}
  • Willi-Hans Steeb, Y. Hardy, J. D. Greef
  • Published 2012
  • Physics, Chemistry
  • Zeitschrift für Naturforschung A
  • We study finite-dimensional product Hilbert spaces, coupled spin systems, entanglement, and energy level crossing. The Hamilton operators are based on the Pauli group.We show that swapping the interacting term can lead from unentangled eigenstates to entangled eigenstates and from an energy spectrum with energy level crossing to avoided energy level crossing. 
    1 Citations
    Entanglement and energy level crossing of spin and Fermi Hamilton operators

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