Issue 47, 2015

Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems

Abstract

Real-space grids are a powerful alternative for the simulation of electronic systems. One of the main advantages of the approach is the flexibility and simplicity of working directly in real space where the different fields are discretized on a grid, combined with competitive numerical performance and great potential for parallelization. These properties constitute a great advantage at the time of implementing and testing new physical models. Based on our experience with the Octopus code, in this article we discuss how the real-space approach has allowed for the recent development of new ideas for the simulation of electronic systems. Among these applications are approaches to calculate response properties, modeling of photoemission, optimal control of quantum systems, simulation of plasmonic systems, and the exact solution of the Schrödinger equation for low-dimensionality systems.

Graphical abstract: Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems

Article information

Article type
Paper
Submitted
19 Jan 2015
Accepted
20 Feb 2015
First published
20 Feb 2015
This article is Open Access
Creative Commons BY license

Phys. Chem. Chem. Phys., 2015,17, 31371-31396

Author version available

Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems

X. Andrade, D. Strubbe, U. De Giovannini, A. H. Larsen, M. J. T. Oliveira, J. Alberdi-Rodriguez, A. Varas, I. Theophilou, N. Helbig, M. J. Verstraete, L. Stella, F. Nogueira, A. Aspuru-Guzik, A. Castro, M. A. L. Marques and A. Rubio, Phys. Chem. Chem. Phys., 2015, 17, 31371 DOI: 10.1039/C5CP00351B

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