The H${}_2^{+}$ ion in a strong magnetic field. Lowest excited states

A. V. Turbiner, J. C. Lopez Vieyra

As a continuation of our previous work ({\it Phys. Rev. A68, 012504 (2003)}) an accurate study of the lowest $1\si_g$ and the low-lying excited $1\si_u$, $2\si_g$, $1{\pi }_{u,g}$, $1\d…