Fig. 4: Negative refraction induced by SOI in momentum space. | Nature Communications

Fig. 4: Negative refraction induced by SOI in momentum space.

From: Spin-orbit interactions of transverse sound

Fig. 4

The real part (a) and the amplitude (b) of the pressure field for a Gaussian beam that propagates through the acoustic metamaterial with an incident angle of 70°. c The amplitude of pressure field in the corresponding micropolar effective medium system.

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