首页|Parametric instability in the pure-quartic nonlinear Schr?dinger equation

Parametric instability in the pure-quartic nonlinear Schr?dinger equation

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We study the nonlinear stage of modulation instability(MI)in the non-intergrable pure-quartic nonlinear Schrödinger equation where the fourth-order dispersion is modulated periodically.Using the three-mode truncation,we reveal the com-plex recurrence of parametric resonance(PR)breathers,where each recurrence is associated with two oscillation periods(PR period and internal oscillation period).The nonlinear stage of parametric instability admits the maximum energy exchange between the spectrum sidebands and central mode occurring outside the MI gain band.

modulation instabilityparametric resonance breatherthree-mode truncationenergy exchange

张云红、刘冲

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School of Physics,Northwest University,Xi'an 710127,China

Shaanxi Key Laboratory for Theoretical Physics Frontiers,Xi'an 710127,China

Peng Huanwu Center for Fundamental Theory,Xi'an 710127,China

国家自然科学基金国家自然科学基金Natural Science Basic Research Program of Shaanxi ProvinceShaanxi Fundamental Science Research Project for Mathematics and Physics

12175178122471032022KJXX-7122JSY016

2024

10.1088/1674-1056/ad11e7

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(3)
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