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

Zero temperature spin wave damping in spin polarized 3He: does it exist?

G Vermeulen1, A Roni

  • 1Centre de Recherches sur les Très Basses Températures, Laboratoire Associé à l'Université Joseph Fourier, BP 166, Grenoble Cédex 9, France.

Physical Review Letters
|February 15, 2001
PubMed
Summary

Spin wave damping in polarized helium-3/helium-4 mixtures was measured. Results suggest polarization-induced spin wave damping may not exist, challenging previous findings.

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

Biogenic silver nanoparticles for disinfection of viral contaminated water.

Communications in agricultural and applied biological sciences·2011
Same author

Rise in maternal mortality in the Netherlands.

BJOG : an international journal of obstetrics and gynaecology·2009
Same author

Nanomechanical measurement of magnetostriction and magnetic anisotropy in (Ga,Mn)As.

Physical review letters·2005
Same author

Subunits of the translation initiation factor eIF2B are mutant in leukoencephalopathy with vanishing white matter.

Nature genetics·2001
Same author

Rat lung MRI using low-temperature prepolarized helium-3.

Magnetic resonance in medicine·2001
Same author

Low-temperature polarized helium-3 for MRI applications.

Magnetic resonance in medicine·1999

Area of Science:

  • Condensed Matter Physics
  • Quantum Fluids
  • Low-Temperature Physics

Background:

  • Previous spin echo experiments suggested polarization-induced spin wave damping in Fermi liquids.
  • Helium-3/Helium-4 mixtures are model systems for studying quantum phenomena.

Purpose of the Study:

  • To measure spin wave damping in highly polarized dilute helium-3.
  • To investigate the existence of polarization-induced spin wave damping.

Main Methods:

  • Utilized a circulating dilution refrigerator to achieve high spin polarization of helium-3.
  • Performed spin wave damping measurements at temperatures between 10 and 25 mK in a 10.54 T magnetic field.

Main Results:

  • Achieved maximum polarization approximately five times higher than equilibrium polarization.

Related Experiment Videos

  • Observed significantly lower spin wave damping than predicted by previous spin echo experiments.

    • Conclusions:

    • The experimental results challenge the existence of polarization-induced spin wave damping.
    • The findings indicate that polarization-induced spin wave damping is an open question requiring further investigation.