Rianne S. Lous
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View article: Data and Code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line"
Data and Code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line" Open
Supplementary data and code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line". This dataset contains raw data collected from single atoms in optical tweezers to reproduce all figures from the paper. A Mathe…
View article: Data and Code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line"
Data and Code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line" Open
Supplementary data and code for "Λ-enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 Line". This dataset contains raw data collected from single atoms in optical tweezers to reproduce all figures from the paper. A Mathe…
View article: Fidelity Relations in an Array of Neutral Atom Qubits -- Experimental Validation of Control Noise
Fidelity Relations in an Array of Neutral Atom Qubits -- Experimental Validation of Control Noise Open
Noise is a hindering factor for current-era quantum computers. In this study, we experimentally validate the theoretical relationships between amplitude noise of the control signal and qubit state fidelity. The experiment comprises a 10x10…
View article: Observation of Chemical Reactions between a Trapped Ion and Ultracold Feshbach Dimers
Observation of Chemical Reactions between a Trapped Ion and Ultracold Feshbach Dimers Open
We measure chemical reactions between a single trapped ^{174}Yb^{+} ion and ultracold Li_{2} dimers. This produces LiYb^{+} molecular ions that we detect via mass spectrometry. We explain the reaction rates by modeling the dimer density as…
View article: Buffer gas cooling of ions in radio-frequency traps using ultracold atoms
Buffer gas cooling of ions in radio-frequency traps using ultracold atoms Open
Reaching ultracold temperatures within hybrid atom–ion systems is a major limiting factor for control and exploration of the atom–ion interaction in the quantum regime. In this work, we present results on numerical simulations of trapped i…
View article: Controlling the nature of a charged impurity in a bath of Feshbach dimers
Controlling the nature of a charged impurity in a bath of Feshbach dimers Open
We theoretically study the dynamics of a trapped ion that is immersed in an ultracold gas of weakly bound atomic dimers created by a Feshbach resonance. Using quasiclassical simulations, we find a crossover from dimer dissociation to molec…
View article: Breathing mode of a Bose-Einstein condensate repulsively interacting with a fermionic reservoir
Breathing mode of a Bose-Einstein condensate repulsively interacting with a fermionic reservoir Open
We investigate the fundamental breathing mode of a small-sized elongated Bose-Einstein condensate coupled to a large Fermi sea, which consists of fully spin-polarized atoms in the collisionless regime. Our observations show a dramatic shif…
View article: Probing the Interface of a Phase-Separated State in a Repulsive Bose-Fermi Mixture
Probing the Interface of a Phase-Separated State in a Repulsive Bose-Fermi Mixture Open
We probe the interface between a phase-separated Bose-Fermi mixture consisting of a small Bose-Einstein condensate of ^{41}K residing in a large Fermi sea of ^{6}Li. We quantify the residual spatial overlap between the two components by me…
View article: Thermometry of a deeply degenerate Fermi gas with a Bose-Einstein condensate
Thermometry of a deeply degenerate Fermi gas with a Bose-Einstein condensate Open
We measure the temperature of a deeply degenerate Fermi gas, by using a\nweakly interacting sample of heavier bosonic atoms as a probe. This thermometry\nmethod relies on the thermalization between the two species and on the\ndetermination…
View article: Ultrafast many-body interferometry of impurities coupled to a Fermi sea
Ultrafast many-body interferometry of impurities coupled to a Fermi sea Open
Sluggish turmoil in the Fermi sea The nonequilibrium dynamics of many-body quantum systems are tricky to study experimentally or theoretically. As an experimental setting, dilute atomic gases offer an advantage over electrons in metals. In…