Quantum dynamics of charge transfer on the one-dimensional lattice: Wave packet spreading and recurrence
Likhachev V N, Shevaleevskii O I, Vinogradov G A†,
       

The dependence of the amplitudea0(t), calculated according to Eq. (16), versus time atE= 0. Solid line:C2= 0.1; dotted line:C2= 0.5; dash-dotted line:C2= 1; dashed line:C2= 2. Empty circles: accurate result forC2= 2, whena0(t) = J0(2t).