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- Title
Calculation of the Cross-Section for Optical Transitions of an Electron Bubble to D States.
- Authors
Wei Guo; Humphrey Maris
- Abstract
Abstract  The optical transitions of an electron bubble (negative ion) in liquid helium from the ground state to the 1P and 2P states have been studied in a number of experiments. For an ideal spherical bubble electric-dipole transitions can occur only to P states. Thermal or quantum fluctuations in the bubble shape make other transitions possible. In this paper we calculate the cross-sections for transitions from the 1S ground state to the 1D and 2D states. The cross-section for the 1S to 1D transition is approximately two orders of magnitude less than the cross-section for the 1S to 1P.
- Subjects
LIQUID helium; ANIONS; HELIUM at low temperatures; QUANTUM liquids
- Publication
Journal of Low Temperature Physics, 2007, Vol 148, Issue 3/4, p213
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-007-9371-4