Elwin Dijck
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View article: Domain formation and structural stabilities in mixed-species Coulomb crystals induced by sympathetically cooled highly charged ions
Domain formation and structural stabilities in mixed-species Coulomb crystals induced by sympathetically cooled highly charged ions Open
There is a growing interest in high-precision spectroscopy and frequency\nmetrology for fundamental studies using sympathetically cooled highly charged\nions (HCIs) embedded in Coulomb crystals of laser-cooled ions. In order to\nunderstand…
View article: Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding
Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding Open
We sympathetically cool highly charged ions (HCI) in Coulomb crystals of Doppler-cooled Be+ ions confined in a cryogenic linear Paul trap that is integrated into a fully enclosing radio-frequency resonator manufactured from superconducting…
View article: Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding
Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding Open
We sympathetically cool highly charged ions (HCI) in Coulomb crystals of Doppler-cooled Be+ ions confined in a cryogenic linear Paul trap that is integrated into a fully enclosing radio-frequency resonator manufactured from superconducting…
View article: An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions
An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions Open
We present a novel ultrastable superconducting radio-frequency (RF) ion trap realized as a combination of an RF cavity and a linear Paul trap. Its RF quadrupole mode at 34.52 MHz reaches a quality factor of Q ≈ 2.3 × 105 at a temperature o…
View article: Spectroscopy of Trapped ¹³⁸Ba⁺ Ions for Atomic Parity Violation and Optical Clocks
Spectroscopy of Trapped ¹³⁸Ba⁺ Ions for Atomic Parity Violation and Optical Clocks Open
The Standard Model of particle physics describes the behavior of all known elementary particles. This theory is remarkably successful in explaining the dynamics of the subatomic world (see also the recent discovery of the predicted Higgs b…
View article: Precision Tests of Discrete Symmetries at Low Energies
Precision Tests of Discrete Symmetries at Low Energies Open
Low energy precision measurements provide for precise testing of the Standard Model, e.g., in searches for violations of the discrete symmetries charge conjugation (C), parity (P), and time reversal (T) as well as their combinations CP and…
View article: Effect of soil temperature on optical frequency transfer through unidirectional dense-wavelength-division-multiplexing fiber-optic links
Effect of soil temperature on optical frequency transfer through unidirectional dense-wavelength-division-multiplexing fiber-optic links Open
Results of optical frequency transfer over a carrier-grade dense-wavelength-division-multiplexing (DWDM) optical fiber network are presented. The relation between soil temperature changes on a buried optical fiber and frequency changes of …