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In neutral atom quantum computers, readout and preparation of the atomic qubits are usually based on fluorescence imaging and subsequent analysis of the acquired image. For each atom site, the brightness or some comparable metric is…

Quantum Physics · Physics 2024-09-26 Jonas Winklmann , Andrea Alberti , Martin Schulz

Counting cells in fluorescent microscopy is a tedious, time-consuming task that researchers have to accomplish to assess the effects of different experimental conditions on biological structures of interest. Although such objects are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 R. Morelli , L. Clissa , M. Dalla , M. Luppi , L. Rinaldi , A. Zoccoli

We demonstrate preparation and detection of an atom number distribution in a one-dimensional atomic lattice with the variance $-14$ dB below the Poissonian noise level. A mesoscopic ensemble containing a few thousand atoms is trapped in the…

We present detailed discussions of cooling and trapping mechanisms for an atom in an optical trap inside an optical cavity, as relevant to recent experiments. The interference pattern of cavity QED and trapping fields in space makes the…

Quantum Physics · Physics 2009-11-06 S. J. van Enk , J. McKeever , H. J. Kimble , J. Ye

Metal-organic frameworks show both fundamental interest and great promise for applications in adsorption-based technologies, such as the separation and storage of gases. The flexibility and complexity of the molecular scaffold poses a…

The half-Heusler compound has drawn attention in a variety of fields as a candidate material for thermoelectric energy conversion and spintronics technology. This is because it has various electronic structures, such as semi-metals,…

We describe a simple experimental technique which allows to store a single Rubidium 87 atom in an optical dipole trap. Due to light-induced two-body collisions during the loading stage of the trap the maximum number of captured atoms is…

Quantum Physics · Physics 2009-11-11 Markus Weber , Juergen Volz , Karen Saucke , Christian Kurtsiefer , Harald Weinfurter

Particle identification at the Super Charm-Tau factory experiment will be provided by a Focusing Aerogel Ring Imaging CHerenkov detector (FARICH). The specifics of detector location make proper cooling difficult, therefore a significant…

High Energy Physics - Experiment · Physics 2026-05-20 Foma Shipilov , Alexander Barnyakov , Viktor Bobrovnikov , Sergey Kononov , Fedor Ratnikov

We present a combined computational and experimental investigation of the thermal properties of uranium nitride (UN), focusing on the development of a machine learning interatomic potential (MLIP) using the moment tensor potential (MTP)…

We review the use of laser cooling and trapping for Standard Model tests, focusing on trapping of radioactive isotopes. Experiments with neutral atoms trapped with modern laser cooling techniques are testing several basic predictions of…

Nuclear Experiment · Physics 2009-03-05 J. A. Behr , G. Gwinner

Robust cooling and nondestructive imaging are prerequisites for many emerging applications of neutral atoms trapped in optical tweezers, such as their use in quantum information science and analog quantum simulation. The tasks of cooling…

Atomic Physics · Physics 2021-08-27 Jackson Ang'ong'a , Chenxi Huang , Jacob P. Covey , Bryce Gadway

We demonstrate the lossless state-selective detection of a single rubidium 87 atom trapped in an optical tweezer. This detection is analogous to the one used on trapped ions. After preparation in either a dark or bright state, we probe the…

Quantum Physics · Physics 2014-02-20 A. Fuhrmanek , R. Bourgain , Y. R. P. Sortais , A. Browaeys

Laser cooling and trapping of lanthanides has opened the possibility to carry out new experiments with ultracold dipolar gases, for example for quantum simulation of solid state physics. To identify new suitable candidates for…

Atomic Physics · Physics 2023-02-15 Gohar Hovhannesyan , Maxence Lepers

We experimentally demonstrate optical spectroscopy of magnetically trapped atoms on an atom chip. High resolution optical spectra of individual trapped clouds are recorded within a few hundred milliseconds. Detection sensitivities close to…

Quantum Physics · Physics 2008-09-16 A. Günther , H. Bender , A. Stibor , J. Fortágh , C. Zimmermann

Plasmonic nanoapertures generate strong field gradients enabling efficient optical trapping of nano-objects. However, because the infrared laser used for trapping is also partly absorbed into the metal leading to Joule heating, plasmonic…

Accurate prediction of temperature evolution is essential for understanding thermomechanical behavior in friction stir welding. In this study, molecular dynamics simulations were performed using LAMMPS to model aluminum friction stir…

Materials Science · Physics 2025-12-29 Akshansh Mishra

In order to leverage the full power of quantum noise squeezing with unavoidable decoherence, a complete understanding of the degradation in the purity of squeezed light is demanded. By implementing machine learning architecture with a…

Currently, there is great interest in laser cooling of barium monofluoride (BaF) molecules for precision tests of fundamental symmetries. We use high-resolution absorption spectroscopy to characterize several as yet imprecisely known…

Atomic Physics · Physics 2024-12-16 Marian Rockenhäuser , Felix Kogel , Einius Pultinevicius , Tim Langen

Density functional theory and its optimization algorithm are the main methods to calculate the properties in the field of materials. Although the calculation results are accurate, it costs a lot of time and money. In order to alleviate this…

Materials Science · Physics 2021-09-21 Houchen Zuo , Yongquan Jiang , Yan Yang , Jie Hu

We realize the first magneto-optical trap of an atom in main group III of the Periodic Table. Our atom of choice (indium) does not have a transition out of its ground state suitable for laser cooling; therefore, laser cooling is performed…

Atomic Physics · Physics 2022-06-09 Xianquan Yu , Jinchao Mo , Tiangao Lu , Ting You Tan , Travis L. Nicholson
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