The chicken and egg question in excitonic insulators
1. Nature of symmetry breaking at the excitonic insulator transition: Ta2NiSe5 Authors: G. Mazza, M. Rösner, L. Windgätter, S. Latini, H. Hübener, A. J. Millis, A. Rubio, and A. Georges Phys. Rev. Lett. 124, 197601 (2020); DOI: 10.1103/PhysRevLett.124.197601 2. Nonlinear spectroscopy of collective modes in excitonic insulator Authors: D. Golež, Z. Sun, Y. Murakami, A. […]