Ultrafast nonlinear phonon response of few-layer hexagonal boron nitrideRemoveTaehee Kang, Jia Zhang, Achintya Kundu, Klaus Reimann, Michael Woerner, Thomas Elsaesser, Bernard Gil, Guillaume Cassabois, Christos Flytzanis, Giorgia Fugallo, Michele Lazzeri, Ryan Page, and Debdeep JenaPhys. Rev. B 104, L140302 (2021)
