12 citations · 12 across the 3 of their papers we have counts for
1 paper · 1 filter
Miloslav Znojil, Petr Siegl, Géza Lévai
In paper I [M. Znojil and G. Lévai, Phys. Lett. A 271 (2000) 327] we introduced the Coulomb - Kratzer bound-state problem in its cryptohermitian, PT-symmetric version. An instabili…