Geza Levai, Frantisek Ruzicka, Miloslav Znojil

Three classes of finite-dimensional models of quantum systems exhibiting spectral degeneracies called quantum catastrophes are described in detail. Computer-assisted symbolic manipulation techniques are shown unexpectedly efficient for the purpose.

http://arxiv.org/abs/1403.0723

Quantum Physics (quant-ph); Mathematical Physics (math-ph)