Ribeiro Filho A.; Miranda Filho R. C. de; Vasconcelos D. S. de; Rocha J. F. M.
الوصف:
We present a Hamiltonian treatment of the Landau-Ginzburg theory of phase transitions in the case of incommensurate ferroelectric systems like (NH4)2BeF4. This formulation has the advantage of treating the system as an example of a nonlinear dynamical system.