par Olivares Pilon, Horacio
Référence Physics letters. A, 376, 19, page (1608-1611)
Publication Publié, 2012-04
Article révisé par les pairs
Résumé : Accurate calculations for the ground state of the molecular ions He 3+ 2 and HeH 2+ placed in a strong magnetic field B 10 2 a.u. (2.35×10 11 G) using the Lagrange-mesh method are presented. The Born-Oppenheimer approximation of zero order (infinitely massive centers) and the parallel configuration (molecular axis parallel to the magnetic field) are considered. Total energies are found with 9-10 s.d. The obtained results show that the molecular ions He 3+ 2 and HeH 2+ exist at B>100 a.u. and B>1000 a.u., respectively, as predicted in Turbiner and López Vieyra (2007) [1] while a saddle point in the potential curve appears for the first time at B∼80 a.u. and B∼740 a.u., respectively. © 2012 Elsevier B.V.