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Related papers: Detection Techniques for Trapped Ions

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A commercial, position-sensitive ion detector was used for the first time for the time-of-flight ion-cyclotron resonance detection technique in Penning trap mass spectrometry. In this work, the characteristics of the detector and its…

Nuclear Experiment · Physics 2009-09-10 G. Eitel , M. Block , A. Czasch , M. Dworschak , S. George , O. Jagutzki , J. Ketelaer , J. Ketter , Sz. Nagy , D. Rodriguez , C. Smorra , K. Blaum

We report an experimental apparatus and technique which simultaneously traps ions and cold atoms with spatial overlap. Such an apparatus is motivated by the study of ion-atom processes at temperatures ranging from hot to ultra-cold. This…

Atomic Physics · Physics 2015-05-20 K. Ravi , Seunghyun Lee , Arijit Sharma , G. Werth , S. A. Rangwala

Nuclear excitation by electron capture (NEEC) is an important nuclear excitation mechanism which still lacks conclusive experimental verification. This is primarily attributed to strong background x-/$\gamma$-ray noise and competing nuclear…

I review the transfer of technology from accelerator-based equipment to space-borne astroparticle detectors. Requirements for detection, identification and measurement of ions, electrons and photons in space are recalled. The additional…

Instrumentation and Detectors · Physics 2014-09-08 Martin Pohl

We present designs for multipole ion traps based on a set of planar, annular, concentric electrodes which require only rf potentials to confine ions. We illustrate the desirable properties of the traps by considering a few simple cases of…

Atomic Physics · Physics 2015-06-05 Robert J. Clark

A method is described for estimating effective scattering lengths via spectroscopy on a trapped pair of atoms. The method relies on the phenomena that the energy levels of two atoms in a harmonic trap are shifted by their collisional…

Quantum Physics · Physics 2009-11-11 S. Shresta , E. Tiesinga , C. J. Williams

Resolving the locations and discriminating the spin states of individual trapped ions with high fidelity is critical for a large class of applications in quantum computing, simulation, and sensing. We report on a method for high-fidelity…

Author suggests and analyzes new universal trapping method of comparatively slow-speed particles of a rarefied gas medium in the potential well induced by the nonhomogeneous electromagnetic field increasing with time (up to some moment).…

General Physics · Physics 2014-01-14 Azad Ch. Izmailov

We show that a chain of trapped ions embedded in microtraps generated by an optical lattice can be used to study oscillator models related to dry friction and energy transport. Numerical calculations with realistic experimental parameters…

Quantum Physics · Physics 2011-08-17 Thaned Pruttivarasin , Michael Ramm , Ishan Talukdar , Axel Kreuter , Hartmut Haeffner

We propose an ion trap configuration such that individual traps can be stacked together in a three dimensional simple cubic arrangement. The isolated trap as well as the extended array of ion traps are characterized for different locations…

Atomic Physics · Physics 2011-12-30 K. Ravi , Seunghyun Lee , Arijit Sharma , Tridib Ray , G. Werth , S. A. Rangwala

A model for charge trapping and impact ionization, and an experiment to measure these parameters is presented for the SuperCDMS HVeV detector. A procedure to isolate and quantify the main sources of noise (bulk and surface charge leakage)…

Magnetic trapping is a cornerstone for modern ultracold physics and its applications (e.g., quantum information processing, quantum metrology, quantum optics, or high-resolution spectroscopies). Here a comprehensive analysis and discussion…

Quantum Gases · Physics 2013-10-24 J. Pérez-Ríos , A. S. Sanz

We investigate the optical detection of single atoms held in a microscopic atom trap close to a surface. Laser light is guided by optical fibers or optical micro-structures via the atom to a photo-detector. Our results suggest that with…

We propose an experimental setup for manipulating the spontaneous emission of trapped ions, based on a spatial light modulator. Anticipated novelties include the potential to entangle more than two ions through a single photon detection…

We examine the properties of cold ions confined by a Paul trap in a linear crystal configuration, a system of considerable current interest due to its application to practical quantum computation. Using a combination of theoretical and…

Atomic Physics · Physics 2007-05-23 Todd P. Meyrath Daniel F. V. James

We theoretically show how two impurity defects in a crystalline structure can be entangled through coupling with the crystal. We demonstrate this with a harmonic chain of trapped ions in which two ions of a different species are embedded.…

Other Condensed Matter · Physics 2015-06-11 Thomás Fogarty , Endre Kajari , Bruno G. Taketani , Alexander Wolf , Thomas Busch , Giovanna Morigi

A trapping mechanism for propelled colloidal particles based on an inhomogeneous drive is presented and studied by means of computer simulations. In experiments this method can be realized using photophoretic Janus particles driven by a…

Computational Physics · Physics 2015-07-21 Martin P. Magiera , Lothar Brendel

Paul traps are devices that confine particles using an alternating electric field and have been used in undergraduate experimental classes at universities. Owing to the requirement of a high voltage ($> 10^3$ V), Paul traps are not used in…

Physics Education · Physics 2024-02-28 R. J. Saito , T. A. Tanaka , Y. Sakemi , M. Yagyu , K. S. Tanaka

Ion beam charge neutralization by electron injection is a complex kinetic process. Recent experiments show that resulting self-potential of the beam after neutralization by plasma could be much lower than the temperature of plasma electrons…

Plasma Physics · Physics 2020-05-20 Chaohui Lan , Igor D. Kaganovich

We present an entanglement concentration protocol for electrons based on their spins and their charges. The combination of an electronic polarizing beam splitter and a charge detector functions as a parity check device for two electrons,…

Quantum Physics · Physics 2015-05-13 Yu-Bo Sheng , Fu-Guo Deng , Hong-Yu Zhou
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