Decay of unstable states in macroscopic systems
- 1 April 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 25 (4), 2444-2447
- https://doi.org/10.1103/physreva.25.2444
Abstract
A unified treatment of the total time regime of the decay of an unstable macroscopic state is derived by functional integral methods. A new one-variable integral representation for the conditional probability is obtained. Previous results with only a limited range of validity are contained as special cases. Further, the evolution of initial states in the vicinity of the instability point is studied.Keywords
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