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We study the decay and smoothness of solutions of the dispersion managed non-linear Schr\"odinger equation in the case of zero residual dispersion. Using new x-space versions of bilinear Strichartz estimates, we show that the solutions are…

数学物理 · 物理学 2008-04-24 Dirk Hundertmark , Young-Ran Lee

We study the distribution over measurement outcomes of noisy random quantum circuits in the low-fidelity regime. We show that, for local noise that is sufficiently weak and unital, correlations (measured by the linear cross-entropy…

量子物理 · 物理学 2021-12-01 Alexander M. Dalzell , Nicholas Hunter-Jones , Fernando G. S. L. Brandão

This work investigates radial solutions for nonlinear fractional Schr\"odinger equations driven by multiplicative noise. Leveraging radial deterministic and stochastic Strichartz estimates, we establish local well-posedness in the…

偏微分方程分析 · 数学 2025-06-03 Ao Zhang , Yanjie Zhang , Jinqiao Duan

We study the stochastic cubic complex Ginzburg-Landau equation with complex-valued space-time white noise on the three dimensional torus. This nonlinear equation is so singular that it can only be under- stood in a renormalized sense. In…

概率论 · 数学 2017-11-22 Masato Hoshino , Yuzuru Inahama , Nobuaki Naganuma

We prove dispersive and Strichartz estimates for Schr\"{o}dinger equations on normal real form symmetric spaces. These estimates apply to the well-posedness and scattering for the nonlinear Schr\"{o}dinger equations.

偏微分方程分析 · 数学 2019-10-17 Anestis Fotiadis , Effie Papageorgiou

We propose a $\theta$-scheme to discretize the $d$-dimensional stochastic cubic Schr\"odinger equation in Stratono\-vich sense. A uniform bound for the Hamiltonian of the discrete problem is obtained, which is a crucial property to verify…

数值分析 · 数学 2015-09-29 Chuchu Chen , Jialin Hong , Andreas Prohl

We prove some new Strichartz estimates for a class of dispersive equations with radial initial data. In particular, we obtain up to some endpoints the full radial Strichartz estimates for the Schr\"odinger equation. The ideas of proof are…

偏微分方程分析 · 数学 2011-05-04 Zihua Guo , Yuzhao Wang

We perturb the 3D Euler equations by a particular non-linear Stratonovich noise. We show the existence and uniqueness of a global-in-time (i.e. no blow-up) smooth solution. The result is a corollary of a more general theorem valid in an…

概率论 · 数学 2024-04-16 Marco Bagnara

We consider the two-dimensional stochastic damped nonlinear wave equation (SdNLW) with the cubic nonlinearity, forced by a space-time white noise. In particular, we investigate the limiting behavior of solutions to SdNLW with regularized…

偏微分方程分析 · 数学 2020-05-22 Tadahiro Oh , Mamoru Okamoto , Tristan Robert

For the first time, the general nonlinear Schr\"odinger equation is investigated, in which the chromatic dispersion and potential are specified by two arbitrary functions. The equation in question is a natural generalization of a wide class…

可精确求解与可积系统 · 物理学 2024-12-03 Andrei D. Polyanin , Nikolay A. Kudryashov

We prove global smoothing and Strichartz estimates for the Schroedinger, wave, Klein-Gordon equations and for the massless and massive Dirac systems, perturbed with singular electromagnetic potentials. We impose a smallness condition on the…

偏微分方程分析 · 数学 2007-05-23 Piero D'Ancona , Luca Fanelli

The long-wavelength, weak-dispersion limit of the discrete nonlinear Schr\"odinger equation with long-range dispersion is analytically considered. This continuum approximation is carried out irrespective of the dispersion range and hence…

斑图形成与孤子 · 物理学 2007-05-23 Alain M. Dikandé

In this article, we study the scattering theory for the two dimensional defocusing quintic nonlinear Schr\"odinger equation(NLS) with partial harmonic oscillator which is given by \begin{align}\label{NLS-abstract} \begin{cases}\tag{PHNLS}…

偏微分方程分析 · 数学 2024-09-17 Zuyu Ma , Yilin Song , Ruixiao Zhang , Zehua Zhao , Jiqiang Zheng

We consider Schr\"{o}dinger equations with real quadratic Hamiltonians, for which the Wigner distribution of the solution at a given time equals, up to a linear coordinate transformation, the Wigner distribution of the initial condition.…

偏微分方程分析 · 数学 2022-11-04 Helge Knutsen

In this article, we establish scale-invariant Strichartz estimates for the Schr\"odinger equation on arbitrary compact globally symmetric spaces and some bilinear Strichartz estimates on products of rank-one spaces. As applications, we…

偏微分方程分析 · 数学 2023-12-27 Yunfeng Zhang

We analyze the one-dimensional semi-classical Schr\"odinger equation on the half-line with a linear potential and Dirichlet boundary conditions. Our main focus is on establishing improved dispersive and Strichartz estimates for this model,…

偏微分方程分析 · 数学 2025-10-03 Oana Ivanovici

Considered in this report is the one-dimensional fourth-order dispersive cubic nonlinear Schr\"odinger equation with mixed dispersion. Orbital stability, in the energy space, of a particular standing-wave solution is proved in the context…

偏微分方程分析 · 数学 2015-06-02 Fábio Natali , Ademir Pastor

We study existence and uniqueness of solution for stochastic differential equations with distributional drift by giving a meaning to the Stroock-Varadhan martingale problem associated such equations. The approach we exploit is the one of…

概率论 · 数学 2017-08-01 Giuseppe Cannizzaro , Khalil Chouk

The method for computation of conditional probability density function for the nonlinear Schr\"odinger equation with additive noise is developed. We present in a constructive form the conditional probability density function in the limit of…

信息论 · 计算机科学 2014-11-26 I. S. Terekhov , S. S. Vergeles , S. K. Turitsyn

We consider the 3-dimensional nonlinear Schr\"{o}dinger equation (NLS) with average nonlinearity. This is a limiting model of NLS with strong magnetic confinement and a generalized model of the resonant system of NLS with a partial harmonic…

偏微分方程分析 · 数学 2024-11-07 Jumpei Kawakami