2 papers
cond-mat.mes-hall2019
Tunable three-way valley Hall energy-splitter: venturing beyond graphene-like structures
Mehul P. Makwana, Gregory J. Chaplain
Strategically combining four structured domains creates the first ever three-way topological energy-splitter; remarkably, this is only possible using a square, or rectangular, latt…
physics.class-ph2018
Acoustic flat lensing using an indefinite medium
M. Dubois, J. Perchoux, A. L. Vanel +10
Acoustic flat lensing is achieved here by tuning a phononic array to have indefinite medium behaviour in a narrow frequency spectral region along the acoustic branch. This is confi…