Acoustic band gap and coherence behavior in a periodic two-dimensional system
classification
⚛️ physics.flu-dyn
physics.gen-ph
keywords
acousticbandphaseair-cylindersarraybehaviorcoherencecomplete
read the original abstract
Here we show a complete band gap in acoustic propagation in water with regularly placed air-cylinders. Also for the first time, we report that in the gap, all cylinders oscillate in phase but exactly out of the phase of a wave source located inside the cylinder array.
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