Jove
Visualize
Contact Us

Related Experiment Videos

Spectral problem for dilute atomic gases using discrete Uhling-Uhlenbeck operators.

A Kwang-Hua Chu1

  • 1Department of Physics, Northwest Normal University, Gansu, Lanzhou 730070, China.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 22, 2002
PubMed
Summary

Ultrasound propagation in Bose and Fermi gases shows no attenuation at specific particle orientations (theta = pi/4). This finding is based on a four-velocity model for quantum discrete Boltzmann systems.

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

Linear stability of acoustic streaming flows in microchannels.

Physical review. E, Statistical, nonlinear, and soft matter physics·2006
Same author

Theoretical study of stability problems for transport in a deformable microfabricated channel.

IEE proceedings. Nanobiotechnology·2006
Same author

Transport control within a microtube.

Physical review. E, Statistical, nonlinear, and soft matter physics·2005
Same author

Stability of acoustic streaming flows in plane channels.

Physical review. E, Statistical, nonlinear, and soft matter physics·2003
Same author

Electrokinetic flows in a microdomain.

Physical review. E, Statistical, nonlinear, and soft matter physics·2003
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

Area of Science:

  • Acoustics and Statistical Mechanics
  • Quantum Gas Dynamics

Background:

  • Understanding wave propagation in dilute atomic gases is crucial for various physics applications.
  • Bose and Fermi statistics dictate particle behavior, influencing wave dispersion relationships.

Purpose of the Study:

  • To investigate the effects of particle orientation on ultrasound dispersion in Bose and Fermi gases.
  • To analyze the role of the blocking factor (B) in quantum discrete Boltzmann systems.

Main Methods:

  • Utilized a four-velocity model to derive dispersion relations for ultrasound propagation.
  • Examined the influence of the orientation parameter (theta) and the blocking factor (B).

Main Results:

  • Derived dispersion relations for ultrasound in dilute atomic gases under Bose and Fermi statistics.

Related Experiment Videos

  • Identified that ultrasound attenuation is completely absent when theta equals pi/4, irrespective of the blocking factor B.

    • Conclusions:

    • Particle orientation significantly impacts ultrasound propagation characteristics in quantum gases.
    • The specific orientation theta = pi/4 offers a condition for zero attenuation, simplifying wave behavior analysis.