Bandyopadhyay, A. K.; Ray, P. C.; Gopalan, V. - In: The European Physical Journal B - Condensed Matter and … 65 (2008) 4, pp. 525-531
Ferroelectric materials, such as lithium niobate, show interesting non-linear hysteresis behavior that can be explained by a dynamical system analysis. By using variational principle, a non-linear Klein-Gordon (K-G) equation is derived for lithium niobate type of uniaxial ferroelectrics...