A new description of the decay of an unstable state

Year: 1980

Authors: Arecchi F.T., Politi A.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Department of Physics, University of Firenze, 50125 Firenze, Italy

Abstract: We introduce a new parameter to describe the decay of an unstable state, that is, the time spread of the trajectories at the intersection of a given threshold. The constancy of the “time spread” is a necessary condition for a simplified two-piece (linear diffusive plus nonlinear deterministic) description of a decay.

Journal/Review: PHYSICS LETTERS A

Volume: 77 (5)      Pages from: 312  to: 314

KeyWords: unstable state; decay;
DOI: 10.1016/0375-9601(80)90704-5

Citations: 4
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