Novel negative mass density resonant metamaterial unit cell

Norbert Cselyuszka, Milan Sečujski, Vesna Crnojevic-Bengin

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper a novel resonant unit cell of one-dimensional acoustic metamaterials is presented, which exhibits negative effective mass density. We theoretically analyze the unit cell and develop a closed analytical formula for its effective mass density. Then we proceed to demonstrate left-handed propagation of acoustic waves using the proposed unit cell. Finally, we present its dual-band version, capable of operating at two independent frequencies.
Original languageEnglish
Pages (from-to)33
Number of pages36
JournalPhysics Letters A
Volume379
Issue number1-2
DOIs
Publication statusPublished - Jan 2015
Externally publishedYes

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