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Top-down extended meshing algorithm and its applications to Green's tensor nano-optics calculations
Örebro University, Department of Natural Sciences.ORCID iD: 0000-0002-2110-3071
2007 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 75, no 4Article in journal (Refereed) Published
Abstract [en]

We present a computational algorithm which speeds up Green's tensor nano-optics calculations by means of optimizing the mesh that represents the system we want to investigate. The algorithm automates the process of creating a variable-size mesh that describes an arbitrary nanostructure. The total number of elements of this mesh is smaller than that of a regular mesh representing the same structure, and thus the Green's tensor calculations can be performed faster. Precision, however, is kept at a similar level than for the regular mesh. Typically, the algorithm yields a mesh that speeds up Green's tensor calculations by a factor of 4, while giving a maximum error in the field magnitude of about 5%. The speed-up factor makes it very suitable for otherwise lengthy calculations, and the error should be acceptable for most applications.

Place, publisher, year, edition, pages
The American Physical Society , 2007. Vol. 75, no 4
National Category
Natural Sciences Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-3963DOI: 10.1103/PhysRevE.75.046702OAI: oai:DiVA.org:oru-3963DiVA, id: diva2:138262
Note
Article Number: 046702 Available from: 2007-06-01 Created: 2007-06-01 Last updated: 2017-12-14Bibliographically approved

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Publisher's full texthttp://link.aps.org/doi/10.1103/PhysRevE.75.046702

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Johansson, Peter

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