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

Comparing contact and dipolar interactions in a Bose-Einstein condensate.

Axel Griesmaier1, Jürgen Stuhler, Tobias Koch

  • 1Physikalisches Institut, Universität Stuttgart, 70550 Stuttgart, Germany. griesmaier@physik.uni-stuttgart.de

Physical Review Letters
|February 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

Optimizing the Short Dark Triad Scale Using an Ant Colony Optimization Algorithm.

Assessment·2026
Same author

Quasi monolithic fiber collimators.

Applied optics·2026
Same author

Clinical and Angiographic Outcomes Following Percutaneous Treatment of Chronic Totally Occluded Versus Non-Totally Occluded Coronary Vessels.

The Canadian journal of cardiology·2026
Same author

Albumin kinetics, intravascular fluid volume, and respiratory function in pigs ventilated at different levels of mechanical power following crystalloid vs. albumin infusion.

Intensive care medicine experimental·2026
Same author

Idiographic interrater reliability measures for intensive longitudinal multirater data.

The British journal of mathematical and statistical psychology·2025
Same author

Diabetes-related ten-year outcomes after percutaneous coronary intervention of in-stent restenosis.

Clinical research in cardiology : official journal of the German Cardiac Society·2025

Researchers measured magnetic dipole-dipole interaction strength in a chromium Bose-Einstein condensate. This allowed precise determination of the s-wave scattering length for 52Cr atoms, confirming theoretical models.

Area of Science:

  • Atomic physics
  • Quantum mechanics
  • Condensed matter physics

Background:

  • Bose-Einstein condensates (BECs) are quantum states of matter.
  • Dipolar interactions significantly influence BEC properties.
  • Understanding these interactions is crucial for quantum simulations and atom optics.

Purpose of the Study:

  • To quantify the relative strength of magnetic dipole-dipole interactions (epsilon dd) in a dipolar chromium BEC.
  • To determine the s-wave scattering length (a) of 52Cr atoms.
  • To validate theoretical models for dipolar Bose-Einstein condensates.

Main Methods:

  • Measurement of asymptotic expansion velocities of the BEC with varying magnetic moment orientations.
  • Comparison of experimental data with numerical solutions of hydrodynamic equations for dipolar condensates.

Related Experiment Videos

  • Utilizing Feshbach resonances for cross-validation of scattering length measurements.

    • Main Results:

    • The relative strength of dipole-dipole interaction was determined as epsilon dd = 0.159 ± 0.034.
    • The s-wave scattering length for 52Cr was found to be a = (5.08 ± 1.06 x 10^-9) m, equivalent to (96 ± 20) a0.
    • Experimental results align with theoretical predictions, confirming the model's validity.

    Conclusions:

    • The study successfully quantified key parameters of a dipolar chromium BEC.
    • The findings validate the theoretical framework used to describe dipolar Bose-Einstein condensates.
    • This work provides a foundation for future research in quantum simulation and precision measurements.