Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Roughness suppression via rapid current modulation on an Atom chip.

J-B Trebbia1, C L Garrido Alzar, R Cornelussen

  • 1Laboratoire Charles Fabry de l'Institut d'Optique, CNRS, Univ Paris-Sud, Campus Polytechnique, RD128, 91127 Palaiseau cedex, France.

Physical Review Letters
|August 7, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Miniaturized optical system for a chip-based cold-atom inertial sensor.

Applied optics·2025
Same author

Probing the Local Rapidity Distribution of a One-Dimensional Bose Gas.

Physical review letters·2024
Same author

Erratum: Momentum-Resolved Observation of Thermal and Quantum Depletion in a Bose Gas [Phys. Rev. Lett. 117, 235303 (2016)].

Physical review letters·2023
Same author

Tailoring the superradiant and subradiant nature of two coherently coupled quantum emitters.

Nature communications·2022
Same author

Breakdown of Tan's Relation in Lossy One-Dimensional Bose Gases.

Physical review letters·2021
Same author

3D optical nanoscopy with excited state saturation at liquid helium temperatures.

Optics express·2019
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

We developed a technique to reduce magnetic atom guide potential roughness by modulating wire current. This method significantly decreases damping of atom oscillations without causing heating or atom loss.

Area of Science:

  • Atomic physics
  • Quantum optics
  • Condensed matter physics

Background:

  • Magnetic atom guides are crucial for manipulating ultracold atoms.
  • Potential roughness in atom guides can lead to atom loss and heating.
  • Existing methods for reducing roughness are often complex or inefficient.

Purpose of the Study:

  • To present a novel method for suppressing potential roughness in wire-based magnetic atom guides.
  • To experimentally demonstrate the effectiveness of current modulation for roughness reduction.
  • To investigate the impact of roughness suppression on atom dynamics.

Main Methods:

  • Modulating the wire current at tens of kHz to average potential roughness to zero.
  • Using ultracold 87Rb (Rubidium-87) clouds for experimental validation.

Related Experiment Videos

  • Measuring atom heating, atom loss, and center-of-mass oscillation damping.

    • Main Results:

    • Potential roughness was reduced by at least a factor of five.
    • No measurable heating or atom loss was observed during modulation.
    • A dramatic reduction in the damping of center-of-mass oscillations was achieved.

    Conclusions:

    • Current modulation is an effective technique for suppressing potential roughness in magnetic atom guides.
    • This method offers a simple and efficient way to improve atom manipulation.
    • The reduced damping facilitates more precise control over ultracold atom ensembles.