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- W2074818991 abstract "The motion of an electron strongly and locally coupled to the lattice deformation is considered as a dynamical system. Our study is based on a model where the electron remains to two adjacent diatomic molecules vibrating around positions which evolve in time as the charge distribution of the electron gradually shifts from one of the molecules to the other one. This model is cast into an intuitively more accesible model of spin 12 in an external field plus a reaction field. Within a semiclassical approach this is a Hamiltonian system expressed with two sets of action-angle variables. We show how the regular trajectories (describing the cooperative mechanism between the charge transfer and rearrangement of the molecular positions) in this phase space gradually disappear and global stochasticity sets in as either the ratio of the electron hopping rate over the electron-lattice coupling constant or the total energy is varied." @default.
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- W2074818991 date "1984-12-01" @default.
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- W2074818991 title "Small polaron dynamics: A self-consistent nonlinear spin-field model" @default.
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- W2074818991 doi "https://doi.org/10.1016/0167-2789(84)90003-4" @default.
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