Sequential decay in physical representation

F. Henin

Physica A: Statistical Mechanics and its Applications, 1982, vol. 116, issue 3, 411-447

Abstract: Working in a physical representation, we discuss the problem of sequential decay of a discrete 3-level system interacting with boson fields. In such a representation, energy levels are sharp and collision processes conserve the energy. Nevertheless, 2-boson processes induce a broadening of the lines around (Ω2 − Ω1), (Ω1 − Ω0); both lines have the same width and are truncated at (Ω2 − Ω0). In contradistinction, Weisskopf-Wigner's idea of broad energy levels leads, in general, to lines with different widths and no upper limit.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:116:y:1982:i:3:p:411-447

DOI: 10.1016/0378-4371(82)90169-8

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