Mathematical theory and numerical methods for Bose-Einstein condensation

W Bao, Y Cai - arXiv preprint arXiv:1212.5341, 2012 - arxiv.org
In this paper, we mainly review recent results on mathematical theory and numerical
methods for Bose-Einstein condensation (BEC), based on the Gross-Pitaevskii equation …

Computational methods for the dynamics of the nonlinear Schrödinger/Gross–Pitaevskii equations

X Antoine, W Bao, C Besse - Computer Physics Communications, 2013 - Elsevier
In this paper, we begin with the nonlinear Schrödinger/Gross–Pitaevskii equation
(NLSE/GPE) for modeling Bose–Einstein condensation (BEC) and nonlinear optics as well …

Convergence of a semiclassical wavepacket based time-splitting for the Schrödinger equation

V Gradinaru, GA Hagedorn - Numerische Mathematik, 2014 - Springer
We propose a new algorithm for solving the semiclassical time-dependent Schrödinger
equation. The algorithm is based on semiclassical wavepackets. The focus of the analysis is …

[HTML][HTML] Defect-based local error estimators for splitting methods, with application to Schrödinger equations, Part I: The linear case

W Auzinger, O Koch, M Thalhammer - Journal of Computational and …, 2012 - Elsevier
We introduce a defect correction principle for exponential operator splitting methods applied
to time-dependent linear Schrödinger equations and construct a posteriori local error …

A posteriori error control and adaptivity for Crank–Nicolson finite element approximations for the linear Schrödinger equation

T Katsaounis, I Kyza - Numerische Mathematik, 2015 - Springer
We derive optimal order a posteriori error estimates for fully discrete approximations of linear
Schrödinger-type equations, in the L^ ∞ (L^ 2) L∞(L 2)-norm. For the discretization in time …

A Posteriori Error Analysis for Evolution Nonlinear Schrodinger Equations Up to the Critical Exponent

T Katsaounis, I Kyza - SIAM Journal on Numerical Analysis, 2018 - SIAM
We provide a posteriori error estimates in the L^∞(0,T;L^2(Ω))-norm for relaxation time
discrete and fully discrete schemes for a class of evolution nonlinear Schrödinger …

Efficient exponential splitting spectral methods for linear Schrödinger equation in the semiclassical regime

W Wang, J Tang - Applied Numerical Mathematics, 2020 - Elsevier
The design of efficient numerical methods, which produce an accurate approximation of the
solutions, for solving time-dependent Schrödinger equation in the semiclassical regime …

[PDF][PDF] A Time–Splitting for the Semiclassical Schrödinger Equation

V Gradinaru, GA Hagedorn - SAM Research Report, 2012 - sam.math.ethz.ch
We propose a new algorithm for solving the semiclassical time–dependent Schrödinger
equation. The algorithm is based on semiclassical wavepackets. Convergence is proved to …

[引用][C] ASC

MK Goldenits, M Mayr, D Praetorius