Symmetry Breaking and Strong Persistent Plasma Currents via Resonant Destabilization of Atoms

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dc.identifier.uri Brée, C. Hofmann, M. Demircan, A. Morgner, Uwe Kosareva, O. Savel'Ev, A. Husakou, A. Ivanov, M. Babushkin, I. 2018-05-09T12:41:43Z 2018-05-09T12:41:43Z 2017
dc.identifier.citation Brée, C.; Hofmann, M.; Demircan, A.; Morgner, U.; Kosareva, O. et al.: Symmetry Breaking and Strong Persistent Plasma Currents via Resonant Destabilization of Atoms. In: Physical Review Letters 119 (2017), Nr. 24, 243202. DOI:
dc.description.abstract The ionization rate of an atom in a strong optical field can be resonantly enhanced by the presence of long-living atomic levels (so-called Freeman resonances). This process is most prominent in the multiphoton ionization regime, meaning that the ionization event takes many optical cycles. Nevertheless, here, we show that these resonances can lead to rapid subcycle-scale plasma buildup at the resonant values of the intensity in the pump pulse. The fast buildup can break the cycle-to-cycle symmetry of the ionization process, resulting in the generation of persistent macroscopic plasma currents which remain after the end of the pulse. This, in turn, gives rise to a broadband radiation of unusual spectral structure, forming a comb from terahertz to visible. This radiation contains fingerprints of the attosecond electron dynamics in Rydberg states during ionization. © 2017 American Physical Society. eng
dc.language.iso eng
dc.publisher American Physical Society
dc.relation.ispartofseries Physical Review Letters 119 (2017), Nr. 24
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
dc.subject Atoms eng
dc.subject Multiphoton processes eng
dc.subject Optical pumping eng
dc.subject Photoionization eng
dc.subject Terahertz waves eng
dc.subject Broadband radiation eng
dc.subject Electron dynamics eng
dc.subject Ionization events eng
dc.subject Ionization process eng
dc.subject Ionization rates eng
dc.subject Multiphoton ionization eng
dc.subject Spectral structure eng
dc.subject Symmetry-breaking eng
dc.subject Ionization eng
dc.subject.ddc 530 | Physik ger
dc.title Symmetry Breaking and Strong Persistent Plasma Currents via Resonant Destabilization of Atoms eng
dc.type article
dc.type Text
dc.relation.issn 0031-9007
dc.bibliographicCitation.issue 24
dc.bibliographicCitation.volume 119
dc.bibliographicCitation.firstPage 243202
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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