Universality of discontinuous bifurcations in collisionless dynamics

Fuente: arXiv
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Hauptverfasser: Yamaguchi, Yoshiyuki Y., Barré, Julien
Format: Preprint
Veröffentlicht: 2025
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author Yamaguchi, Yoshiyuki Y.
Barré, Julien
author_facet Yamaguchi, Yoshiyuki Y.
Barré, Julien
contents We investigate the universality in collisionless nonlinear dynamics of a codimension-two bifurcation where two eigenvalues collide at the origin, and two lines of continuous bifurcation and discontinuous jump meet. Through linear analysis and direct numerical simulations, we show that this bifurcation does occur, both for two-dimensional shear flows and for repulsive systems mimicking plasmas.
format Preprint
id arxiv_https___arxiv_org_abs_2503_02286
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Universality of discontinuous bifurcations in collisionless dynamics
Yamaguchi, Yoshiyuki Y.
Barré, Julien
Pattern Formation and Solitons
Plasma Physics
We investigate the universality in collisionless nonlinear dynamics of a codimension-two bifurcation where two eigenvalues collide at the origin, and two lines of continuous bifurcation and discontinuous jump meet. Through linear analysis and direct numerical simulations, we show that this bifurcation does occur, both for two-dimensional shear flows and for repulsive systems mimicking plasmas.
title Universality of discontinuous bifurcations in collisionless dynamics
topic Pattern Formation and Solitons
Plasma Physics
url https://arxiv.org/abs/2503.02286