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- Title
Interaction of 3-Level Atom with Radiation.
- Authors
Accardi, L.; Imafuku, K.; Kozyrev, S. V.
- Abstract
The stochastic limit of quantum theory suggests a new, constructive, approach to nonequilibrium phenomena. We illustrate this approach when considering the interaction of 3-level system with a quantum field in a nonequilibrium state. We describe a class of states of the quantum field for which a stationary state drives the system to an inversely populated state. We find that the quotient of the population of the energy levels in the simplest case is described by the double Einstein formula which involves products of two Einstein emission/absorption factors. Emission and absorption of radiation by 3-level atom in nonequilibrium stationary state is described.
- Subjects
QUANTUM theory; ABSORPTION spectra; RADIATION; ATOMS
- Publication
Optics & Spectroscopy, 2003, Vol 94, Issue 6, p904
- ISSN
0030-400X
- Publication type
Article
- DOI
10.1134/1.1586742