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Related papers: Paul Trap and the Problem of Quantum Stability

200 papers

The computational difficulty of solving fully quantum many-body spin problems is a significant obstacle to understanding the behavior of strongly correlated quantum matter. Experimental ion-trap quantum simulation is a promising approach…

Quantum Physics · Physics 2016-09-28 Philip Richerme

We describe, realize, and experimentally investigate a method to perform physical rotations of ion chains, trapped in a segmented surface Paul trap, as a building block for large scale quantum computational sequences. Control of trapping…

We investigate the dynamics of mixed-species ion crystals during transport between spatially distinct locations in a linear Paul trap in the diabatic regime. In a general mixed-species crystal, all degrees of freedom along the direction of…

Quantum Physics · Physics 2016-08-03 M. Palmero , R. Bowler , J. P. Gaebler , D. Leibfried , J. G. Muga

Trapped ions driven by electromagnetic radiation constitute one of the most developed quantum technologies to date. The scenarios range from proof-of-principle experiments to on-chip integration for quantum information units. In most cases,…

Quantum Physics · Physics 2023-09-26 T. Tassis , F. L. Semião

In the endeavour to scale up the number of qubits in an ion-based quantum computer several groups have started to develop miniaturized ion traps for extended spatial control and manipulation of the ions. Shuttling and separation of ion…

Quantum Physics · Physics 2009-10-08 F. Splatt , M. Harlander , M. Brownnutt , F. Zähringer , R. Blatt , W. Hänsel

When an ion confined in a linear ion trap interacts with a coherent laser field, the internal degrees of freedom, related to the electron transitions, couple to the vibrational degree of freedom of the ion. As a result of this interaction,…

Quantum Physics · Physics 2009-11-06 G. P. Berman , A. R. Bishop , D. F. V. James , R. J. Hughes , D. I. Kamenev

The realization of a paradigm chaotic system, namely the harmonically driven oscillator, in the quantum domain using cold trapped ions driven by lasers is theoretically investigated. The simplest characteristics of regular and chaotic…

Quantum Physics · Physics 2009-10-31 G. P. Berman , D. F. V. James , R. J. Hughes , M. S. Gulley , M. H. Holzscheiter , G. V. Lopez

In this chapter, we illustrate how a trapped ion system can be used for the experimental study of quantum thermodynamics, in particular, quantum fluctuation of work. As technology of nano/micro scale develops, it becomes critical to…

Quantum Physics · Physics 2019-02-04 Yao Lu , Shuoming An , Jing-Ning Zhang , Kihwan Kim

We theoretically investigate the process of splitting two-ion crystals in segmented Paul traps, i.e. the structural transition from two ions confined in a common well to ions confined in separate wells. The precise control of this process…

Atomic Physics · Physics 2015-06-18 H. Kaufmann , T. Ruster , C. T. Schmiegelow , F. Schmidt-Kaler , U. G. Poschinger

The evolution problem for a quantum particle confined in a 1D box and interacting with one fixed point through a time dependent point interaction is considered. Under suitable assumptions of regularity for the time profile of the…

Analysis of PDEs · Mathematics 2015-05-19 Andrea Mantile

In this work a family of quantum nondemolition variables for the case of a particle caught in a Paul trap is obtained. Afterwards, in the context of the so called restricted path integral formalism, a continuous measuring process for this…

Quantum Physics · Physics 2009-11-06 Abel Camacho

We introduce a measurement scheme that utilizes a single ion as a local field probe. The ion is confined in a segmented Paul trap and shuttled around to reach different probing sites. By the use of a single atom probe, it becomes possible…

Quantum Physics · Physics 2015-05-18 Gerhard Huber , Frank Ziesel , Ulrich Poschinger , Kilian Singer , Ferdinand Schmidt-Kaler

We present experimental measurements of the steady-state ion number in a linear Paul trap (LPT) as a function of the ion-loading rate. These measurements, taken with (a) constant Paul trap stability parameter $q$, (b) constant…

Atomic Physics · Physics 2017-05-26 J. E. Wells , R. Blümel , J. M. Kwolek , D. S. Goodman , W. W. Smith

We propose an experimental configuration, within an ion trap, by which a quantum mechanical delta-kicked harmonic oscillator could be realized, and investigated. We show how to directly measure the sensitivity of the ion motion to small…

Quantum Physics · Physics 2014-11-18 S. A. Gardiner , J. I. Cirac , P. Zoller

In the development of atomic, molecular and optical (AMO) physics, atom-ion hybrid systems are characterized by the presence of a new tool in the experimental AMO toolbox: atom-ion interactions. One of the main limitations in…

Atomic Physics · Physics 2020-02-03 Elia Perego , Lucia Duca , Carlo Sias

Motivated by recent experiments in Bose-Einstein condensed atoms that have been confined in toroidal traps, we examine the stability of persistent currents in such systems. We investigate the extent that the stability of these currents may…

Other Condensed Matter · Physics 2009-11-13 M. Ogren , G. M. Kavoulakis

We present a comprehensive phase-space treatment of the motion of charged particles in electrodynamic traps. Focusing on five-wire surface-electrode Paul traps, we study the details of integrable and chaotic motion of a single ion. We…

Quantum Physics · Physics 2018-06-05 V. Roberdel , D. Leibfried , D. Ullmo , H. Landa

Trapped, laser-cooled atoms and ions are quantum systems which can be experimentally controlled with an as yet unmatched degree of precision. Due to the control of the motion and the internal degrees of freedom, these quantum systems can be…

A particle driven by active self-propulsion can be subject to inhomogeneous potential fields, steering its orientation and leading to confinement and eventual trapping. Analytical treatment of capture and/or release dynamics for general…

Soft Condensed Matter · Physics 2023-09-19 Guangle Du , Fangfu Ye , Rudolf Podgornik

We consider basic dynamical effects in settings based on a pair of local potential traps that may be effectively switched on and off, or suddenly displaced, by means of appropriate control mechanisms, such as the scanning tunneling…

Quantum Physics · Physics 2015-05-19 Eduard Sonkin , Boris A. Malomed , Er'el Granot , Avi Marchewka