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We study numerically the nonlinear stage of modulational instability (MI) of cnoidal waves, in the framework of the focusing one-dimensional Nonlinear Schrodinger (NLS) equation. Cnoidal waves are the exact periodic solutions of the NLS…

斑图形成与孤子 · 物理学 2022-12-09 D. S. Agafontsev , V. E. Zakharov

In the framework of the focusing Nonlinear Schrodinger (NLS) equation we study numerically the nonlinear stage of the modulation instability (MI) of the condensate. As expected, the development of the MI leads to formation of "integrable…

可精确求解与可积系统 · 物理学 2015-09-15 D. S. Agafontsev , V. E. Zakharov

Rogue waves (RWs) are unexpectedly strong excitations emerging from an otherwise tranquil background. The nonlinear Schr\"odinger equation (NLSE), a ubiquitous model with wide applications to fluid mechanics, optics and plasmas, exhibits…

斑图形成与孤子 · 物理学 2016-01-07 H. N. Chan , B. A. Malomed , K. W. Chow , E. Ding

The defocusing nonlinear Schr\"odinger (NLS) equation has no the modulational instability, and was not found to possess the rogue wave (RW) phenomenon up to now. In this paper, we firstly investigate some novel nonlinear wave structures in…

斑图形成与孤子 · 物理学 2021-11-19 Li Wang , Zhenya Yan

We measure evolution of spectra, spatial correlation functions and probability density functions (PDFs) of waves appearance for a set of one-dimensional NLS-like equations of focusing type, namely for the classical integrable Nonlinear…

光学 · 物理学 2015-03-20 Dmitry Agafontsev , Vladimir Zakharov

We consider the effect of the wind and the dissipation on the nonlinear stages of the modulational instability. By applying a suitable transformation, we map the forced/damped Nonlinear Schr\"odinger (NLS) equation into the standard NLS…

混沌动力学 · 物理学 2013-05-15 Miguel Onorato , Davide Proment

The nonlinear Schr\"odinger equation (NLSE) stands out as the dispersive nonlinear partial differential equation that plays a prominent role in the modeling and understanding of the wave phenomena relevant to many fields of nonlinear…

斑图形成与孤子 · 物理学 2016-06-15 Stephane Randoux , Pierre Suret , Gennady El

The focusing Nonlinear Schr\"odinger (NLS) equation is the simplest universal model describing the modulation instability (MI) of quasi monochromatic waves in weakly nonlinear media, the main physical mechanism for the generation of rogue…

可精确求解与可积系统 · 物理学 2018-05-01 P. G. Grinevich , P. M. Santini

The derivative nonlinear Schrodinger (DNLS) equation is the canonical model for dynamics of nonlinear waves in plasma physics and optics. We study exact solutions describing rogue waves on the background of periodic standing waves in the…

可精确求解与可积系统 · 物理学 2021-06-09 Jinbing Chen , Dmitry E. Pelinovsky

Rogue waves in the nonlocal PT-symmetric nonlinear Schrodinger (NLS) equation are studied by Darboux transformation. Three types of rogue waves are derived, and their explicit expressions in terms of Schur polynomials are presented. These…

可精确求解与可积系统 · 物理学 2018-11-14 Bo Yang , Jianke Yang

In this letter,the designable integrability(DI) of the variable coefficient derivative nonlinear Schr\"odinger equation (VCDNLSE) is shown by construction of an explicit transformation which maps VCDNLSE to the usual derivative nonlinear…

可精确求解与可积系统 · 物理学 2012-02-07 Shuwei Xu , Jingsong He , Lihong Wang

We study numerically the statistical properties of the modulation instability (MI) developing from condensate solution seeded by weak, statistically homogeneous in space noise, in the framework of the classical (integrable) one-dimensional…

可精确求解与可积系统 · 物理学 2014-08-04 D. S. Agafontsev , V. E. Zakharov

We study numerically the integrable turbulence developing from strongly nonlinear partially coherent waves, in the framework of the focusing one-dimensional nonlinear Schrodinger equation. We find that shortly after the beginning of motion…

斑图形成与孤子 · 物理学 2021-03-24 D. S. Agafontsev , S. Randoux , P. Suret

A study of general rogue waves in some integrable reverse time nonlocal nonlinear equations is presented. Specifically, the reverse time nonlocal nonlinear Schr\"odinger (NLS) and nonlocal Davey-Stewartson (DS) equations are investigated,…

可精确求解与可积系统 · 物理学 2017-12-19 Bo Yang , Yong Chen

In a recent work we studied the first nonlinear stage of modulation instability (NLSMI) of x-periodic anomalous (rogue, freak, extreme) waves (AWs) of physically relevant multidimensional (generalizations of the focusing) nonlinear…

斑图形成与孤子 · 物理学 2026-05-27 Francesco Coppini , Paolo Maria Santini

Modulational instability (MI) of dust acoustic waves (DAWs), which propagates in an opposite polarity dusty plasma system, containing inertial warm negatively and positively charged dust particles as well as non-extensive q-distributed…

等离子体物理 · 物理学 2017-12-29 D. M. S. Zaman , A. Mannan , A. A. Mamun

We report optical fiber experiments allowing to investigate integrable turbulence in the focusing regime of the one dimensional nonlinear Schr\"odinger equation (1D-NLSE). Our experiments are very similar in their principle to water tank…

斑图形成与孤子 · 物理学 2015-04-16 Pierre Walczak , Stéphane Randoux , Pierre Suret

Rogue waves are extraordinarily high and steep isolated waves, which appear suddenly in a calm sea and disappear equally fast. However, though the Rogue waves are localized surface waves, their theoretical models and experimental…

可精确求解与可积系统 · 物理学 2015-03-13 Anjan Kundu , Abhik Mukherjee , Tapan Naskar

We consider instability and localized patterns arising from long wave-short wave (LWSW) resonance in the non-integrable regime numerically. We study the stability and instability of elliptic-function periodic waves with respect to…

斑图形成与孤子 · 物理学 2024-01-23 Wen-Rong Sun , Boris A. Malomed , Jin-Hua Li

The interaction between two co-propagating electrostatic wavepackets characterized by arbitrary carrier wavenumber is considered. A one-dimensional (1D) non-magnetized plasma model is adopted, consisting of a cold inertial ion fluid…

等离子体物理 · 物理学 2024-03-26 N. Lazarides , Giorgos P. Veldes , Amaria Javed , Ioannis Kourakis
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