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Journal Article

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

MPS-Authors
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Rubio,  Angel
Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Nano-Bio Spectroscopy Group and ETSF Scientific Development Centre, Departamento de F;

External Resource

https://dx.doi.org/10.1039/C5CP00351B
(Publisher version)

http://arxiv.org/abs/1501.05654
(Preprint)

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c5cp00351b.pdf
(Publisher version), 7MB

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Citation

Andrade, X., Strubbe, D. A., De Giovannini, U., Larsen, A. H., Oliveira, M. J. T., Alberdi-Rodriguez, J., et al. (2015). Real-space grids and the Octopus code as tools for the development of new simulation approaches for electronic systems. Physical Chemistry Chemical Physics, 17(47), 31371-31396. doi:10.1039/C5CP00351B.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0026-CB96-8
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.