Speaker
Matteo Baggioli
Description
We discuss the presence and the physical features of
(pseudo)-phonons in the context of ''solid'' holographic
massive gravity theories. We present a bottom-up model
exhibiting for the first time in holography (gapped and
damped) transverse phonons. We compute the elastic
modulus and we determine the shear sound speed which
turns out to be in good agreement with the theoretical
expectations. We finally speculate on possible applications to
viscoelastic materials.
