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

Dynamical model for nonlinear mirror modes near threshold.

E A Kuznetsov1, T Passot, P L Sulem

  • 1L. D. Landau Institute of Theoretical Physics, 2 Kosygin Street, 119334 Moscow, Russia.

Physical Review Letters
|August 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

Three-Dimensional Acoustic Turbulence: Weak Versus Strong.

Physical review letters·2024
Same author

Structure and evolution of magnetohydrodynamic solitary waves with Hall and finite Larmor radius effects.

Physical review. E·2019
Same author

Quasicollapse of oblique solitons of the weakly dissipative derivative nonlinear Schrödinger equation.

Physical review. E, Statistical, nonlinear, and soft matter physics·2010
Same author

Arrest of Langmuir wave collapse by quantum effects.

Physical review. E, Statistical, nonlinear, and soft matter physics·2010
Same author

[Detection of tuberculosis in children and adolescents in the Primorye Territory].

Problemy tuberkuleza i boleznei legkikh·2005
Same author

Hydrodynamics of bacterial colonies: phase diagrams.

Chaos (Woodbury, N.Y.)·2004
Same journal

Erratum: Spectroscopy and Ground-State Transfer of Ultracold Bosonic ^{39}K^{133}Cs Molecules [Phys. Rev. Lett. 135, 203401 (2025)].

Physical review letters·2026
Same journal

Erratum: Lifetime of the ^{2}F_{7/2} Level in Yb^{+} for Spontaneous Emission of Electric Octupole Radiation [Phys. Rev. Lett. 127, 213001 (2021)].

Physical review letters·2026
Same journal

Laser-Plasma Based Seeded Free Electron Laser in the High-Gain Regime.

Physical review letters·2026
Same journal

Parent Hamiltonians for Stabilizer Quantum Many-Body Scars.

Physical review letters·2026
Same journal

Properties of Heavy Cosmic Nuclei Phosphorus, Chlorine, Argon, Potassium, and Calcium: Results from the Alpha Magnetic Spectrometer.

Physical review letters·2026
Same journal

Role of Spin-Isospin Symmetries in Nuclear β-Decays.

Physical review letters·2026
See all related articles

This study models nonlinear plasma dynamics using Vlasov-Maxwell equations, revealing a subcritical bifurcation and stable magnetic holes. The new model accurately reproduces simulation results for magnetized plasmas.

Area of Science:

  • Plasma Physics
  • Astrophysics
  • Nonlinear Dynamics

Background:

  • Mirror modes in magnetized plasmas are crucial for understanding space plasma phenomena.
  • Previous models often rely on trapped particle cooling for saturation, which may not capture all dynamics.

Purpose of the Study:

  • To derive a new model for nonlinear mirror mode dynamics near the instability threshold.
  • To investigate the role of kinetic effects and subcritical bifurcations in plasma behavior.
  • To develop a saturation mechanism that aligns with numerical simulations.

Main Methods:

  • Utilizing a reductive perturbative expansion of the Vlasov-Maxwell (VM) equations.
  • Deriving a pseudodifferential equation of gradient type to describe nonlinear dynamics.

Related Experiment Videos

  • Phenomenologically supplementing a saturation mechanism based on ion Larmor radius variations.

    • Main Results:

    • The derived model exhibits a finite-time singularity, indicating a subcritical bifurcation.
    • The new saturation mechanism successfully reproduces numerical simulation results of VM equations.
    • The model predicts the formation of magnetic humps and stable large-amplitude magnetic holes.

    Conclusions:

    • The developed model provides a more accurate description of nonlinear mirror mode dynamics in magnetized plasmas.
    • The inclusion of ion Larmor radius variations offers a viable saturation mechanism.
    • This work advances the understanding of magnetic structures in space plasmas.