Energies of Parameter-Dependent Systems
- 29 January 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 42 (5) , 285-287
- https://doi.org/10.1103/physrevlett.42.285
Abstract
The energy of a linearly perturbed system is shown to verify a nonlinear first-order differential equation in the semiclassical limit. Solutions of this equation are compared to the exact energies, for a quartic oscillator.Keywords
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