Convergence analysis of high-order time-splitting pseudospectral methods for nonlinear Schrödinger equations
M Thalhammer - SIAM Journal on Numerical Analysis, 2012 - SIAM
In this work, the issue of favorable numerical methods for the space and time discretization
of low-dimensional nonlinear Schrödinger equations is addressed. The objective is to …
of low-dimensional nonlinear Schrödinger equations is addressed. The objective is to …
Efficient bond-adaptive approach for finite-temperature open quantum dynamics using the one-site time-dependent variational principle for matrix product states
AJ Dunnett, AW Chin - Physical Review B, 2021 - APS
Recent tensor network techniques for simulating system-environment wave functions have
provided profound insights into non-Markovian dissipation and decoherence in open …
provided profound insights into non-Markovian dissipation and decoherence in open …
Regularized numerical methods for the logarithmic Schrödinger equation
We present and analyze two numerical methods for the logarithmic Schrödinger equation
(LogSE) consisting of a regularized splitting method and a regularized conservative Crank …
(LogSE) consisting of a regularized splitting method and a regularized conservative Crank …
Some facts about operator-splitting and alternating direction methods
The main goal of this chapter is to give the reader a (relatively) brief overview of operator-
splitting, augmented Lagrangian and ADMM methods and algorithms. Following a general …
splitting, augmented Lagrangian and ADMM methods and algorithms. Following a general …
High Order Exponential Integrators for Nonlinear Schrödinger Equations with Application to Rotating Bose--Einstein Condensates
C Besse, G Dujardin, I Lacroix-Violet - SIAM Journal on Numerical Analysis, 2017 - SIAM
This article deals with the numerical integration in time of nonlinear Schrödinger
equations. The main application is the numerical simulation of rotating Bose--Einstein …
equations. The main application is the numerical simulation of rotating Bose--Einstein …
Lie-Trotter operator splitting spectral method for linear semiclassical fractional Schrödinger equation
W Wang, Y Huang, J Tang - Computers & Mathematics with Applications, 2022 - Elsevier
In this paper the error estimates are derived for Lie-Trotter operator splitting spectral method
for semiclassical linear fractional Schrödinger equation. We first establish a priori estimates …
for semiclassical linear fractional Schrödinger equation. We first establish a priori estimates …
Error estimates of local energy regularization for the logarithmic Schrödinger equation
The logarithmic nonlinearity has been used in many partial differential equations (PDEs) for
modeling problems in various applications. Due to the singularity of the logarithmic function …
modeling problems in various applications. Due to the singularity of the logarithmic function …
[HTML][HTML] A numerical study of adaptive space and time discretisations for Gross–Pitaevskii equations
M Thalhammer, J Abhau - Journal of computational physics, 2012 - Elsevier
As a basic principle, benefits of adaptive discretisations are an improved balance between
required accuracy and efficiency as well as an enhancement of the reliability of numerical …
required accuracy and efficiency as well as an enhancement of the reliability of numerical …
Analysis of operator splitting in the nonasymptotic regime for nonlinear reaction-diffusion equations. Application to the dynamics of premixed flames
In this paper we mathematically characterize through a Lie formalism the local errors
induced by operator splitting when solving nonlinear reaction-diffusion equations, especially …
induced by operator splitting when solving nonlinear reaction-diffusion equations, especially …
On Fourier time-splitting methods for nonlinear Schrödinger equations in the semiclassical limit
R Carles - SIAM Journal on Numerical Analysis, 2013 - SIAM
We prove an error estimate for a Lie--Trotter splitting operator associated with the
Schrödinger--Poisson equation in the semiclassical regime, when the WKB approximation …
Schrödinger--Poisson equation in the semiclassical regime, when the WKB approximation …