Spin dynamics of wave packets evolving with the Dirac Hamiltonian in atoms with high atomic number Z - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physical Review A : Atomic, molecular, and optical physics [1990-2015] Year : 2000

Spin dynamics of wave packets evolving with the Dirac Hamiltonian in atoms with high atomic number Z

P. Rozmej
  • Function : Author
M. Turek
  • Function : Author

Abstract

The motion of circular WP for one electron in central Coulomb field with high Z is calculated. The WP is defined in terms of solutions of the Dirac equation in order to take into account all possible relevant effects in particular the spin-orbit potential. A time scale is defined within which spin dynamics must be taken into account mainly in the atoms with high Z. Within this time scale there exists a mechanism of collapses and revivals of the spin already shown by the authors for harmonic oscillator potential and called the 'spin-orbit pendulum'. However this effect has not the exact periodicity of the simpler model, but the WP's spatial motion is nevertheless quite similar.
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Dates and versions

in2p3-00005940 , version 1 (30-08-2000)

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R. Arvieu, P. Rozmej, M. Turek. Spin dynamics of wave packets evolving with the Dirac Hamiltonian in atoms with high atomic number Z. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2000, 62, 022514-8 p. ⟨10.1103/PhysRevA.62.022514⟩. ⟨in2p3-00005940⟩
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