Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La${}_2$CuO${}_4$

P. S. Häfliger, S. Gerber, R. Pramod +11

We study the zero-point and thermal ionic motion in La${}_2$CuO${}_4$ by means of high-resolution neutron diffraction experiments. Our results demonstrate anisotropic motion of O and t…