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Snowflake phononic topological insulator at the nanoscale
2018
Physical review B
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We show how the snowflake phononic crystal structure, which has been realized experimentally recently, can be turned into a topological insulator for sound waves. This idea, based purely on simple geometrical modifications, could be readily implemented on the nanoscale.
doi:10.1103/physrevb.97.020102
fatcat:fbd6tqn2czb3tgx2gpg3lqe2te