POSSIBLE INFRINGEMENT OF STANDARD HYDRODYNAMICS OF SMECTICS AND LOW-FREQUENCY DEPENDENCE OF FACTOR OF ABSORPTION OF ULTRASOUND
Abstract
It is shown that in a frequency interval 95-760 kHz the effect of possible infringement of the standard hydrodynamics of smectics liquid crystals, as a rule, isn't observable. Deviations from square-law frequency dependence of factor of absorption in ultrasonic experiments are defined by processes of an acoustic relaxation. This dependence isn't neither universal, nor characteristic only for smectic A phases. Besides, her character changes at change of orientation of a wave vector concerning a magnetic field induction.
About the Authors
D. . Bogdanov
Moscow Region State University
Russian Federation
Russian Federation
E. . Gevorkian
Moscow Region State University
Russian Federation
Russian Federation
Y. . Obydenkov
Moscow Region State University
Russian Federation
Russian Federation
References
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