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

Probing vortices in 4He nanodroplets.

Francesco Ancilotto1, Manuel Barranco, Martí Pi

  • 1INFM, Udr Padova, Trieste, Italy.

Physical Review Letters
|October 4, 2003
PubMed
Summary

We studied quantized vortices in helium-4 droplets using density functional calculations. Calcium atoms are proposed as ideal dopants for detecting these vortices spectroscopically.

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

Comment on "Shell-Shaped Quantum Droplet in a Three-Component Ultracold Bose Gas".

Physical review letters·2025
Same author

Time-resolved solvation of alkali ions in superfluid helium nanodroplets: Theoretical simulation of a pump-probe study.

The Journal of chemical physics·2025
Same author

Revisiting Thomson's model with multiply charged superfluid helium nanodroplets.

The Journal of chemical physics·2024
Same author

Time-resolved solvation of alkali ions in superfluid helium nanodroplets.

The Journal of chemical physics·2024
Same author

Observing the primary steps of ion solvation in helium droplets.

Nature·2023
Same author

Quantized vortex nucleation in collisions of superfluid nanoscopic helium droplets at zero temperature.

The Journal of chemical physics·2023

Area of Science:

  • Atomic and molecular physics
  • Quantum fluid dynamics
  • Condensed matter physics

Background:

  • Quantized vortices are fundamental excitations in superfluid helium-4.
  • Understanding vortex properties is crucial for superfluidity research.
  • Spectroscopic methods offer potential for vortex detection.

Purpose of the Study:

  • To investigate the static and dynamical properties of linear vortices in helium-4 droplets.
  • To identify suitable atomic impurities for spectroscopic detection of vortices.
  • To provide insights into the interaction between atomic dopants and quantized vortices.

Main Methods:

  • Density functional calculations were employed to model helium-4 droplets.
  • Adsorption properties of various atomic impurities were computed.
  • Comparisons were made between pure droplets and those containing quantized vortices.

Main Results:

  • Static and dynamical properties of linear vortices in helium-4 droplets were characterized.
  • Calcium (Ca) atoms exhibited distinct adsorption behaviors in the presence of vortices.
  • The interaction between Ca atoms and vortices was analyzed.

Conclusions:

  • Calcium atoms are identified as promising dopants for the spectroscopic detection of quantized vortices in helium-4 droplets.
  • The findings suggest a new experimental approach for probing vortex dynamics in quantum fluids.
  • This research contributes to the understanding of impurity effects in superfluids.

Related Experiment Videos