Observation of the "freezing" of an ultrasonic wave
Arakelyan V.S., Avetisyan A.G., Mirzabekyan E.G., Shaverdyan F.M.
A method is proposed for producing, in a medium, a constant three-dimensional periodic structure by exciting in it a standing ultrasound wave during the time of the transition from the liquid to the solid phase. The effect of "freezing" the ultrasonic wave is recorded.