Diagram X-ray emission spectra of a hollow atom: The Kh α1,2 and Kh β1,3 hypersatellites of Fe

R. Diamant, S. Huotari, K. Hämäläinen, R. Sharon, C. C. Kao, M. Deutsch

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Abstract

A hollow atom is an atom where an inner shell is completely empty, while the outer shells are occupied. The formation and properties of such atoms are of fundamental interest to basic atomic physics, in particular to atoms very far from equilibrium and to ultrafast dynamics in atoms. With an inverted electron population, hollow atoms are proposed as a way to achieve lasing at hard x-ray wavelengths.

Original languageEnglish
Article number193001
Pages (from-to)193001/1-193001/4
JournalPhysical Review Letters
Volume91
Issue number19
StatePublished - 7 Nov 2003

Bibliographical note

Funding Information:
Support by The Israel Science Foundation, Jerusalem (M. D.) and the Academy of Finland under grants 58068/74440/210291 (K. H.), beam time at X25 (NSLS) and ID16 (ESRF), and expert experimental support and advice by J.-P. Rueff (ESRF) and L. E. Berman (NSLS) are gratefully acknowledged. BNL is supported by the U.S. DOE Contract No. DE-AC02-76CH00016.

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