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Abstract: We find that the modified sine-Gordon equation belonging to the class of thesoliton equations describes the propagation of extremely short transverseacoustic pulses through the low-temperature crystal containing paramagneticimpurities with effective spin S=1-2 in the Voigt geometry case. The featuresof nonlinear dynamics of strain field and effective spins, which correspond tothe different kinds of acoustic solitons, are studied.



Author: S.V. Sazonov, N.V. Ustinov

Source: https://arxiv.org/



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