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Exact dynamics of XX central spin models

  • Autori: Jivulescu, M.; Ferraro, E.; Napoli, A.; Messina, A.
  • Anno di pubblicazione: 2009
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: spin models
  • OA Link:


The dynamical behavior of a star network of spins, wherein each N decoupled spin interacts with a central spin through non-uniform Heisenberg XX interaction, is exactly studied. The time-dependent Schrödinger equation of the spin system model is solved starting from an arbitrary initial state. The resulting solution is analyzed and briefly discussed. © 2009 The Royal Swedish Academy of Sciences.