Three solvable matrix models of a quantum catastrophe

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

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