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The B\"{a}cklund transformation for the three-level Maxwell-Bloch equation is presented in the matrix potential formalism. By applying the B\"{a}cklund transformation to a constant electric field background, we obtain a general solution for…

solv-int · Physics 2009-10-30 Q-Han Park , H. J. Shin

We study the problem of propagation of an input electromagnetic pulse through a long two-level laser amplifier under trivial initial conditions. In this paper, we consider an unstable model described by the Maxwell-Bloch equations without…

Mathematical Physics · Physics 2023-09-12 Volodymyr Kotlyarov , Oleksandr Minakov

The inverse scattering transform for the focusing nonlinear Schrodinger equation is presented for a general class of initial conditions whose asymptotic behavior at infinity consists of counterpropagating waves. The formulation takes into…

Exactly Solvable and Integrable Systems · Physics 2020-10-22 Gino Biondini , Jonathan Lottes , Dionyssis Mantzavinos

In this paper, we consider the initial value problem for both of the defocusing and focusing Kundu-Eckhaus (KE) equation with non-zero boundary conditions (NZBCs) at infinity by inverse scattering transform method. The solutions of the KE…

Exactly Solvable and Integrable Systems · Physics 2020-01-10 Ning Guo , Jian Xu

We characterize the soliton solutions of the nonlinear Schroedinger equation on the half line with linearizable boundary conditions. Using an extension of the solution to the whole line and the corresponding symmetries of the scattering…

Exactly Solvable and Integrable Systems · Physics 2015-05-13 Gino Biondini , Guenbo Hwang

We present a rigorous theory of a unified and simple inverse scattering transform (IST) for both focusing and defocusing real nonlocal (reverse-space-time) modified Korteweg-de Vries (mKdV) equations with non-zero boundary conditions…

Exactly Solvable and Integrable Systems · Physics 2020-12-08 Guoqiang Zhang , Zhenya Yan

In 2013 a new nonlocal symmetry reduction of the well-known AKNS scattering problem was found; it was shown to give rise to a new nonlocal $PT$ symmetric and integrable Hamiltonian nonlinear Schr\"{o}dinger (NLS) equation. Subsequently, the…

Exactly Solvable and Integrable Systems · Physics 2016-12-09 Mark J. Ablowitz , Xu-Dan Luo , Ziad H. Musslimani

We explore systematically a rigorous theory of the inverse scattering transforms with matrix Riemann-Hilbert problems for both focusing and defocusing modified Korteweg-de Vries (mKdV) equations with non-zero boundary conditions (NZBCs) at…

Exactly Solvable and Integrable Systems · Physics 2020-12-08 Guoqiang Zhang , Zhenya Yan

We investigate the fundamental problem of the nonlinear wavefield scattering data corrections in response to a perturbation of initial condition using inverse scattering transform theory. We present a complete theoretical linear…

Pattern Formation and Solitons · Physics 2021-06-16 Rustam Mullyadzhanov , Andrey Gelash

We study an initial-boundary-value problem (IBVP) for a system of coupled Maxwell-Bloch equations (CMBE) that model two colors or polarizations of light resonantly interacting with a degenerate, two-level, active optical medium with an…

Exactly Solvable and Integrable Systems · Physics 2024-05-17 Sitai Li , Gino Biondini , Gregor Kovacic

In this work, the higher-order dispersive nonlinear Schr\"{o}dinger equation with non-zero boundary conditions at infinity is investigated including the simple and double zeros of the scattering coefficients. We introduce a appropriate…

Exactly Solvable and Integrable Systems · Physics 2019-11-06 Zhi-Qiang Li , Shou-Fu Tian , Jin-Jie Yang

We consider the inverse scattering transform for the nonlinear Schr\"{o}dinger equation in laboratory coordinates (NLSLab equation) with nonzero boundary conditions (NZBCs) at infinity. In order to better deal with the scattering problem of…

Exactly Solvable and Integrable Systems · Physics 2019-11-05 Jin-Jin Mao , Shou-Fu Tian

This work is devoted to systematically study general $N$-soliton solutions possibly containing multiple degenerate soliton groups (DSGs), in the context of the sharp-line Maxwell-Bloch equations with a zero background.We also show that…

Exactly Solvable and Integrable Systems · Physics 2025-01-28 Sitai Li

We investigate the scattering of light by a nonlinear, anisotropic slab under conical incidence and arbitrary polarization, within the framework of Maxwell's equations, where the nonlinearities are described by nonlinear susceptibility…

Optics · Physics 2025-12-22 Jérémy Itier , Gilles Renversez , Frédéric Zolla

Optical solitons classically are stationary solutions of the nonlinear Schr\"odinger equation. We perform a quantum field theoretic treatment by quantising a linearised fluctuation field around the classical soliton solution which can be…

Optics · Physics 2025-03-07 Sang-Shin Baak , Friedrich Koenig

A generalized inverse scattering method has been applied to the linear problem associated with the coupled higher order nonlinear schr\"odinger equation to obtain it's $N$-soliton solution. An infinite number of conserved quantities have…

Exactly Solvable and Integrable Systems · Physics 2019-06-14 Sudipta Nandy

In this paper, we study an inverse scattering problem at fixed energy on three-dimensional asymptotically hyperbolic St{\"a}ckel manifolds having the topology of toric cylinders and satisfying the Robertson condition. On these manifolds the…

Analysis of PDEs · Mathematics 2016-05-18 Damien Gobin

We present a method to solve numerically the Cauchy problem for the defocusing nonlinear Schr\"{o}dinger (NLS) equation with a box-type initial condition (IC) having a nontrivial background of amplitude $q_o>0$ as $x\to \pm \infty$ by…

Exactly Solvable and Integrable Systems · Physics 2025-09-11 Aikaterini Gkogkou , Barbara Prinari , Thomas Trogdon

We consider exact solutions generated by the inverse scattering technique, also known as the soliton transformation. In particular, we study the class of simple real pole solutions. For quite some time, those solutions have been considered…

General Relativity and Quantum Cosmology · Physics 2009-10-31 M Berg , M Bradley

We implement the inverse scattering method in the case of the $A_n$ affine Toda field theories, by studying the space-time evolution of simple poles in the underlying loop group. We find the known single soliton solutions, as well as…

High Energy Physics - Theory · Physics 2009-10-30 E. J. Beggs , P. R. Johnson