Hamiltonian dynamics of the Landau-Ginzburg model for the phase transition in (NH4)2BeF4

AUTOR(ES)

Ribeiro Filho, A., Miranda Filho, R. C. de, Vasconcelos, D. S. de, Rocha, J. F. M.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2000

RESUMO

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.

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