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We perform the analysis of the focusing nonlinear Schr\"odinger equation on the half-line with time-dependent boundary conditions along the lines of the nonlinear method of images with the help of B\"acklund transformations. The difficulty…

Pattern Formation and Solitons · Physics 2025-04-25 Vincent Caudrelier , Nicolas Crampe , Carlos Mbala Dibaya

We further develop the method of dressing the boundary for the focusing nonlinear Schr\"odinger equation (NLS) on the half-line to include the new boundary condition presented by Zambon. Additionally, the foundation to compare the solutions…

Mathematical Physics · Physics 2020-08-10 K. T. Gruner

Based on the theory of integrable boundary conditions (BCs) developed by Sklyanin, we provide a direct method for computing soliton solutions of the focusing nonlinear Schr\"odinger (NLS) equation on the half-line. The integrable BCs at the…

Exactly Solvable and Integrable Systems · Physics 2018-09-06 Cheng Zhang

In this paper, we study the initial boundary value problem for nonlinear Schr\"odinger equations on the half-line with nonlinear boundary conditions of type $u_x(0,t)+\lambda|u(0,t)|^ru(0,t)=0,$ $\lambda\in\mathbb{R}-\{0\}$, $r> 0$. We…

Analysis of PDEs · Mathematics 2015-07-17 Ahmet Batal , Türker Özsarı

Using Sklyanin's classical theory of integrable boundary conditions, we use the Hamiltonian approach to derive new integrable boundary conditions for the Ablowitz-Ladik model on the finite and half infinite lattice. In the case of half…

Mathematical Physics · Physics 2019-08-20 Vincent Caudrelier , Nicolas Crampe

We explore the phenomena of absorption/emission of solitons by an integrable boundary for the nonlinear Schr\"odinger equation on the half-line. This is based on the investigation of time-dependent reflection matrices which satisfy the…

Exactly Solvable and Integrable Systems · Physics 2023-02-01 Vincent Caudrelier , Nicolas Crampe , Eric Ragoucy , Cheng Zhang

A recent development in the derivation of soliton solutions for initial-boundary value problems through Darboux transformations, motivated to reconsider solutions to the nonlinear Schr\"odinger (NLS) equation on two half-lines connected via…

Mathematical Physics · Physics 2020-01-13 K. T. Gruner

We investigate the Manakov model or, more generally, the vector nonlinear Schr\"odinger equation on the half-line. Using a B\"acklund transformation method, two classes of integrable boundary conditions are derived: mixed Neumann/Dirichlet…

Mathematical Physics · Physics 2015-05-30 V. Caudrelier , Q. C. Zhang

We analyze initial-boundary value problems for an integrable generalization of the nonlinear Schr\"odinger equation formulated on the half-line. In particular, we investigate the so-called linearizable boundary conditions, which in this…

Exactly Solvable and Integrable Systems · Physics 2009-09-30 J. Lenells , A. S. Fokas

An easy to implement modulus-squared Dirichlet (MSD) boundary condition is formulated for numerical simulations of time-dependent complex partial differential equations in multidimensional settings. The MSD boundary condition approximates a…

Numerical Analysis · Computer Science 2011-10-05 R. M. Caplan , R. Carretero-González

The nonlinear Schrodinger equation on the half line with mixed boundary condition is investigated. After a brief introduction to the corresponding classical boundary value problem, the exact second quantized solution of the system is…

High Energy Physics - Theory · Physics 2009-10-31 M. Gattobigio , A. Liguori , M. Mintchev

We construct multi-soliton solutions of the n-component vector nonlinear Schr\"odinger equation on the half-line subject to two classes of integrable boundary conditions (BCs): the homogeneous Robin BCs and the mixed Neumann/Dirichlet BCs.…

Exactly Solvable and Integrable Systems · Physics 2019-03-06 Cheng Zhang , Da-jun Zhang

In this paper, we consider a general form of nonlinear Schr\"{o}dinger equation with time-dependent nonlinearity. Based on the linear eigenvalue problem, the complete integrability of such nonlinear Schr\"{o}dinger equation is identified by…

Exactly Solvable and Integrable Systems · Physics 2012-01-06 Shou-Fu Tian , Li Zou , Qi Ding , Hong-Qing Zhang

In this paper, we study the interaction between a nonlinear focusing Robin type boundary source, a nonlinear defocusing interior source, and a weak damping term for nonlinear Schr\"odinger equations posed on the infinite half line. We…

Analysis of PDEs · Mathematics 2015-08-06 Varga K. Kalantarov , Türker Özsarı

We study integrable boundary conditions associated with the whole hierarchy of nonlinear Schr\"{o}dinger (NLS) equations defined on the half-line. We find that the even order NLS equations and the odd order NLS equations admit rather…

Exactly Solvable and Integrable Systems · Physics 2025-03-03 Baoqiang Xia

In this paper, we develop an inverse scattering transform for the integrable focusing nonlinear Schr\"odinger (NLS) equation on the half-line subject to a class of boundary conditions. The method is based on the notions of integrable…

Exactly Solvable and Integrable Systems · Physics 2021-06-22 Cheng Zhang

We consider the Schr\"odinger equation with nonlinear derivative term on $[0,+\infty)$ under Robin boundary condition at $0$. Using a virial argument, we obtain the existence of blowing up solutions and using variational techniques, we…

Analysis of PDEs · Mathematics 2021-02-24 Phan van Tin

This work studies the initial-boundary value problem for both the linear Schr\"odinger equation and the cubic nonlinear Schr\"odinger equation on the half-space in higher dimensions ($n\ge 2$). First, the forced linear problem is solved on…

Analysis of PDEs · Mathematics 2024-11-26 A. Alexandrou Himonas , Fangchi Yan

In this work we study the initial boundary value problem associated with the coupled Schr\"odinger equations {with quadratic nonlinearities, that appears in nonlinear optics}, on the half-line. We obtain local well-posedness for data {in…

Analysis of PDEs · Mathematics 2021-04-13 Isnaldo Isaac Barbosa , Márcio Cavalcante

Absorbing boundary conditions are presented for three-dimensional time-dependent Schr\"odinger-type of equations as a means to reduce the cost of the quantum-mechanical calculations. The boundary condition is first derived from a…

Numerical Analysis · Mathematics 2020-01-15 Xiaojie Wu , Xiaotao Li
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