On the mean value of the energy for resonant states
arXiv:math-ph/0006027 · doi:10.1016/S0375-9474(99)00405-4
Abstract
In this work we discuss possible definitions of the mean value of the energy for a resonant (Gamow) state. The mathematical and physical aspects of the formalism are reviewed. The concept of rigged Hilbert space is used as a supportive tool in dealing with Gamow-resonances.
9 pages