Partial dynamical symmetry and the suppression of chaos

N. Whelan*, Y. Alhassid, A. Leviatan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


Partial dynamical symmetry is a situation in which the Hamiltonian does not have a certain symmetry yet a subset of its eigenstates does. It is shown that partial dynamical symmetry may cause suppression of chaos even in cases where the fraction of states which has the symmetry vanishes in the classical limit. The average entropy associated with the symmetry is a sensitive quantum measure of the partial symmetry and its effect on the chaotic dynamics.

Original languageAmerican English
Pages (from-to)2208-2211
Number of pages4
JournalPhysical Review Letters
Issue number14
StatePublished - 1993


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