Conical Intersections from Particle–Particle Random Phase and Tamm–Dancoff Approximations

Yang Yang, Lin Shen, Du Zhang, and Weitao Yang. Conical Intersections from Particle–Particle Random Phase and Tamm–Dancoff Approximations. Vol. 7, no. 13, J. Phys. Chem. Lett., 2016, pp. 2407-11.