Evolution from a Molecular Rydberg Gas to an Ultracold Plasma in a Seeded Supersonic Expansion of NO
Journal Article
·
· Physical Review Letters
- Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3 (Canada)
We report the spontaneous formation of a plasma from a gas of cold Rydberg molecules. Double-resonant laser excitation promotes nitric oxide, cooled to 1 K in a seeded supersonic molecular beam, to single Rydberg states extending as deep as 80 cm{sup -1} below the lowest ionization threshold. The density of excited molecules in the illuminated volume approaches 1x10{sup 13} cm{sup -3}. This population evolves to produce free electrons and a durable cold plasma of electrons and intact NO{sup +} ions.
- OSTI ID:
- 21179915
- Journal Information:
- Physical Review Letters, Vol. 101, Issue 20; Other Information: DOI: 10.1103/PhysRevLett.101.205005; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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