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We propose an experimentally friendly scheme for trapping quasi- relativistic elec- trons in graphene by an electromagnetic beam with circular polarization and spatially inhomogeneous profile with an intensity dip. The trapping is achieved…

Mesoscale and Nanoscale Physics · Physics 2017-11-21 Skender Morina , Kevin Dini , Ivan V. Iorsh , Ivan A. Shelykh

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

Static electric fields can be configured to guide charged nanoparticles along the electric field lines. Some field line configurations can focus the nanoparticles to prescribed places thus acting as electric funnels. Despite the importance…

Mesoscale and Nanoscale Physics · Physics 2023-04-18 Peter V Pikhitsa

A microstructured array of over 1200 electrodes on a substrate has been configured to generate an array of local minima of electric field strength with a periodicity of $120 \mu$m about $25 \mu$m above the substrate. By applying…

Atomic Physics · Physics 2008-04-23 Samuel A. Meek , Hendrick L. Bethlem , Horst Conrad , Gerard Meijer

Compact, lightweight, and energy-efficient cold atom systems are crucial for advancing quantum technologies, yet their realization remains constrained by the bulky optical and magnetic components required in current atom trapping…

With the increasing number of ion qubits and improving performance of sophisticated quantum algorithms, more and more scalable complex ion trap electrodes have been developed and integrated. Nonlinear ion shuttling operations at the…

Quantum Physics · Physics 2024-11-26 Yarui Liu , Zhao Wang , Zixuan Xiang , Qikun Wang , Tianyang Hu , Xu Wang

Penning traps are made extremely compact by embedding rare-earth permanent magnets in the electrode structure. Axially-oriented NdFeB magnets are used in unitary architectures that couple the electric and magnetic components into an…

Instrumentation and Detectors · Physics 2012-02-29 Joseph N. Tan , Samuel M. Brewer , Nicholas D. Guise

We investigated the electrical properties of a unipolar organic device with traps that were intentionally inserted into a particular position in the device. Depending on their inserted position, the traps significantly alter the charge…

Applied Physics · Physics 2023-05-02 Donghyun Ko , Gyuhyeon Lee , Kyu-Myung Lee , Yongsup Park , Jaesang Lee

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

We propose a surface ion trap design incorporating microwave control electrodes for near-field single-qubit control. The electrodes are arranged so as to provide arbitrary frequency, amplitude and polarization control of the microwave field…

Trapping and manipulation of particles using laser beams has become an important tool in diverse fields of research. In recent years, particular interest is given to the problem of conveying optically trapped particles over extended…

Visualization and manipulation of nanoscale matter is one of the main and current challenges in nanosciences. To this aim, different techniques have been recently developed to non-invasively trap and manipulate nano-specimens, like…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Irene Alda , Johann Berthelot , Raúl A. Rica , Romain Quidant

Dynamics of spin-polarized neutral particles, such as neutrons or neutral atoms and molecules, in magnetic fields is studied. A new regime of motion is found where particles move mainly in one direction forming a well-collimated beam. This…

Condensed Matter · Physics 2009-10-31 V. I. Yukalov , E. P. Yukalova

We analyze new possible applications of the trapping mechanism of sufficiently slow-speed particles by an electromagnetic potential well deepening with time (up to a certain limit) which was recently established by author from basic…

General Physics · Physics 2016-01-20 Azad Ch. Izmailov

We investigate the physics of a single trapped electron interacting with a radiation field without the dipole approximation. This gives new physical insights in the so-called geonium theory.

Quantum Physics · Physics 2011-08-04 Ana M. Martins , Stefano Mancini , Paolo Tombesi

We present a design of an r.f. trap using planar electrodes with the goal to trap on the order of 100 ions in a small ring structure of diameters ranging between 100 $\mu$m and 200 $\mu$m. In order to minimize the influence of trap…

Atomic Physics · Physics 2015-09-30 Po-Jen Wang , Tongcang Li , Crystal Noel , Xiang Zhang , Hartmut Haeffner

The use of a wire mesh facilitates creation of multiple optical traps for manipulation of small micron or sub-micron particles. Such an array of optical traps can be easily controlled. The trap that is formed in this manner is a continuous…

Optics · Physics 2007-05-23 J. A. Dharmadhikari , A. K. Dharmadhikari , D. Mathur

Microfabricated surface-electrode traps are a scalable platform for trapped-ion quantum processors. Recent advances in fabrication techniques have enabled the design of increasingly complex multi-layer structures. Yet the control electrodes…

Quantum Physics · Physics 2026-03-03 Florian Ungerechts , Brigitte Kaune , Christian Ospelkaus

In a bridge configuration, a single graphene nanoribbon (GNR) is positioned with a picometer precision over a trench in between two monoatomic steps on an Au(111) surface. This GNR molecular wire adopts a deformed conformation towards the…

Mesoscale and Nanoscale Physics · Physics 2022-10-07 Umamahesh Thupakula , Xavier Bouju , Jesús Castro-Esteban , Erik Dujardin , Diego Peña , Christian Joachim

Various techniques are used to detect the presence of charged particles stored in electromagnetic traps, their energy, their mass, or their internal states. Detection methods can rely on the variation of the number of trapped particles…

Atomic Physics · Physics 2017-08-23 Martina Knoop