Bistable metamaterial for switching and cascading elastic vibrations


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Date

2017-05-02

Publication Type

Journal Article

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Abstract

One of the challenges in materials physics today is the realization of phononic transistors, devices able to manipulate phonons (elastic vibrations) with phonons. We present a realization of a transistor-like device, controlled by magnetic coupling, which can gate, switch, and cascade phonons without resorting to frequency conversion. We demonstrate all logic operations for information processing. Because our system operates at a single frequency, we use it to realize experimentally a phonon-based mechanical calculator. Our device can have a broad impact in advanced acoustic devices, sensors, and programmable materials.

Publication status

published

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Volume

114 (18)

Pages / Article No.

4603 - 4606

Publisher

National Academy of Sciences

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Subject

phononic metamaterials; tunable materials; phonon switching and cascading; phononic computing; acoustic transistor

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