Magnetic ground state and magnon-phonon interaction in multiferroic h-YMnO${}_3$

S. L. Holm, A. Kreisel, T. K. Schäffer +14

Inelastic neutron scattering has been used to study the magneto-elastic excitations in the multiferroic manganite hexagonal YMnO${}_3$. An avoided crossing is found between magnon an…