Markus Stecker
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View article: Controlling the Dipole Blockade and Ionization Rate of Rydberg Atoms in Strong Electric Fields
Controlling the Dipole Blockade and Ionization Rate of Rydberg Atoms in Strong Electric Fields Open
We study a hitherto unexplored regime of the Rydberg excitation blockade using highly Stark-shifted, yet long-living, states of Rb atoms subject to electric fields above the classical ionization limit. Such states allow tuning the dipole-d…
View article: The BonaRes metadata schema for geospatial soil-agricultural research data – Merging INSPIRE and DataCite metadata schemes
The BonaRes metadata schema for geospatial soil-agricultural research data – Merging INSPIRE and DataCite metadata schemes Open
A spatial data infrastructure (SDI) for the upload and provision of soil-agricultural research data in Germany was developed and launched in 2017. The precondition for the new SDI were to be compliant with the European initiative for spati…
View article: Erratum: Ionization spectra of highly Stark-shifted rubidium Rydberg states [Phys. Rev. A <b>96</b>, 013427 (2017)]
Erratum: Ionization spectra of highly Stark-shifted rubidium Rydberg states [Phys. Rev. A <b>96</b>, 013427 (2017)] Open
Received 26 November 2018DOI:https://doi.org/10.1103/PhysRevA.98.069901©2018 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasAtomic spectraMultiphoton or tunneling ionization & excitationStark effectPhysical SystemsI…
View article: Spatial and temporal correlations in cold Rydberg gases
Spatial and temporal correlations in cold Rydberg gases Open
Rydberg atoms, i.e. atoms with one or more highly excited electrons, show exaggerated properties compared to ground state atoms. For example, their energy levels are very sensitive to external electric fields (Stark effect) and they exhibi…
View article: Ionization spectra of highly Stark-shifted rubidium Rydberg states
Ionization spectra of highly Stark-shifted rubidium Rydberg states Open
We report on the observation and numerical calculation of ionization spectra\nof highly Stark-shifted Rydberg states of rubidium beyond the classical\nionization threshold. In the numerical calculations, a complex absorbing\npotential (CAP…
View article: A high resolution ion microscope for cold atoms
A high resolution ion microscope for cold atoms Open
We report on an ion-optical system that serves as a microscope for ultracold\nground state and Rydberg atoms. The system is designed to achieve a\nmagnification of up to 1000 and a spatial resolution in the 100 nm range,\nthereby surpassin…