Dynamical symmetry of nonstationary systems

  title={Dynamical symmetry of nonstationary systems},
  author={I. A. Malkin and Vladimir I. Man’ko and D. A. Trifonov},
  journal={Il Nuovo Cimento A (1965-1970)},
SummaryThe problem of the symmetry of equations and that of the dynamical symmetry of nonstationary quantum systems are discussed and some particular cases are considered. It is shown that the dynamical symmetry group is the same both for stationary and nonstationary systems. The dynamical symmetry group for anyN-dimensional quantum system with a quadratic Hamiltonian is obtained as theUN,1 group. For the systems which are stationary in the remote past and future the transition amplitudes… CONTINUE READING


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