Formation of Rydberg atoms in an expanding ultracold neutral plasma.

Killian, T C; Lim, M J; Kulin, S; Dumke, R; Bergeson, S D; Rolston, S L

Killian, T C; Lim, M J; Kulin, S; Dumke, R; Bergeson, S D; Rolston, S L.

Afiliación

Killian TC; National Institute of Standards and Technology, Gaithersburg, Maryland 20899-8424, USA.

Phys Rev Lett ; 86(17): 3759-62, 2001 Apr 23.

Article en En | MEDLINE | ID: mdl-11329317

RESUMEN

We study the formation of Rydberg atoms in expanding plasmas at temperatures of 1-1000 K and densities from 10(5)-10(10) cm(-3). Up to 20% of the initially free charges recombine in about 100 micros, and the binding energy of the Rydberg atoms approximately equals the increase in the kinetic energy of the remaining free electrons. Three-body recombination is expected to dominate in this regime, yet most of our results are inconsistent with this mechanism.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2001 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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