Evaluation of charged particle evaporation expressions in ultracold plasmas
Abstract
Electron evaporation plays an important role in the electron temperature evolution and thus the expansion rate of low-density ultracold plasmas. In addition, evaporation is useful as a potential tool for obtaining colder electron temperatures and characterizing plasma parameters. A theoretical treatment of evaporation has been developed for atomic gases and has been applied to a one-component plasma system. We numerically investigate whether such an adapted theory is applicable to ultracold neutral plasmas. We find that it is not due to the violation of fundamental assumptions of the model. The details of our calculations and a discussion of the implications for a simple description of the electron evaporation rate in ultracold plasmas are presented.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 01, 2017
- Source ID
- 10.1063/1.4983321
Entities
People
- Craig Witte
- Jacob L. Roberts
Organizations
- Air Force Office of Scientific Research
- Colorado State University