Soliton dynamics of hydrogen-bonded systems

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Abstract
Soliton dynamics in hydrogen-bonded systems are usually modelled by considering the system to consist of two interacting sublattices: one of protons with a non-linear on-site potential and the other of coupled heavy ions. Using the potential recently proposed by Pnevmatikos (1987-88) but with a linear interaction between the sublattices, the authors propose an alternative model which explains the formation and propagation of ionic and Bjerrum defects in ice and other hydrogen-bonded systems.