A recent study by researchers at the Institute of Physics, Nanjing University has revealed a “swallowtail catastrophe” in non-hermitian systems. This new phenomenon could have significant implications for the study of non-hermitian systems, which are systems that are not symmetric in their interactions.

The study, which was published in the journal Physical Review Letters, focused on the analysis of non-hermitian systems and their behavior in the presence of gain and loss. The researchers discovered a new phenomenon, which they termed a “swallowtail catastrophe”. This phenomenon occurs when two parameters of the system interact in such a way that the system undergoes a sudden transition in its behavior. This transition is so sudden that it is difficult to predict and can have significant implications for the system’s behavior.

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source: Phys.org