The exotic $H_3^{2+}$ ion in a strong magnetic field. Linear configuration

A. V. Turbiner, J. C. López Vieyra, N. L. Guevara

An accurate study of the lowest $1{\sigma }_g$ and the low-lying excited $1{\sigma }_u$, $1{\pi }_{u,g}$, $1{\delta }_{g,u}$ electronic states of the exotic molecular ion $H_3^{2+}$ in linear configuration par…