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

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

Publikováno v: Brazilian Journal of Physics, Volume: 30, Issue: 3, Pages: 602-609, Published: 2000
Brazilian Journal of Physics v.30 n.3 2000
Brazilian Journal of Physics
Sociedade Brasileira de Física (SBF)
instacron:SBF

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 dynamica

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