Observation of islands of stability in soft wall atom-optics billiards

A. Kaplan*, N. Friedman, M. Andersen, N. Davidson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Scopus citations


We report on numerical and experimental observations of islands of stability induced in a Bunimovich stadium atom-optics billiard by a soft wall repulsive potential. A deviation from exponential decay of the survival probability of atoms in an open billiard is observed, and explained by the presence of these stable islands and a sticky region surrounding them. We also investigate islands in dispersing billiards with soft walls, and predict a new mechanism for their formation.
Original languageEnglish
Pages (from-to)274101-1 - 274101-4
JournalPhysical Review Letters
Issue number27
StatePublished - 31 Dec 2001
Externally publishedYes


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