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

Cold bose gases with large scattering lengths.

S Cowell1, H Heiselberg, I E Mazets

  • 1Department of Physics, University of Illinois at Urbana-Champaign, 1110 West Green Street, Urbana, Illinois 61801-3080, USA.

Physical Review Letters
|June 13, 2002
PubMed
Summary

We calculated the energy and condensate fraction for dense bosons with attractive interactions. At high densities, properties become independent of interaction strength, similar to Fermi systems, but condensates are quenched around na(3) = 1.

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

The growth of CaCO<sub>3</sub> polymorphs in the presence of As(V): stabilization of the vaterite phase.

Environmental science. Processes & impacts·2026
Same author

ClinGen Variant Curation Interface Workshops: Training Variant Scientists on an International Platform.

medRxiv : the preprint server for health sciences·2025
Same author

The balance between care and conflict may be key to understanding maternal aggression in canaries.

Scientific reports·2025
Same author

Head elevating device and cricothyroid membrane position in pregnant women with obesity class 3: an observational study.

International journal of obstetric anesthesia·2025
Same author

aPDT activity of new water soluble phenalenone derivatives with shifted UV-Vis absorption.

Journal of photochemistry and photobiology. B, Biology·2025
Same author

Understanding the puzzle of angular momentum conservation in beta decay and related processes.

Proceedings of the National Academy of Sciences of the United States of America·2024

Area of Science:

  • Quantum mechanics
  • Condensed matter physics
  • Ultracold atomic gases

Background:

  • Understanding the behavior of Bose gases is crucial in condensed matter physics.
  • Investigating the effects of interactions on Bose-Einstein condensates provides insight into quantum phenomena.

Purpose of the Study:

  • To calculate the energy and condensate fraction of a dense Bose system.
  • To explore the influence of attractive short-range interactions on Bose gas properties.
  • To determine the density regime where Bose gas properties resemble Fermi systems.

Main Methods:

  • Theoretical calculation of energy and condensate fraction.
  • Analysis of Bose gas properties at high densities (n >> a(-3)).
  • Investigation of the role of s-wave scattering length (a).

Related Experiment Videos

Main Results:

  • Energy per particle, chemical potential, and sound speed squared are independent of scattering length at high densities.
  • These properties scale as n(2/3), mirroring Fermi systems.
  • The condensate fraction is quenched at densities around na(3) ≈ 1.

Conclusions:

  • Dense Bose gases with attractive interactions exhibit universal behavior at high densities.
  • The transition to this universal regime and condensate quenching provide key insights into quantum many-body physics.