Reference : Volumetric method of moments and conceptual multilevel building blocks for nanotopologies
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Volumetric method of moments and conceptual multilevel building blocks for nanotopologies
Zheng, X. [Katholieke Universiteit Leuven - KUL > ESAT-TELEMIC > > >]
Valev, V.K. [Katholieke Universiteit Leuven - KUL > Chemistry > > >]
Verellen, N. [Katholieke Universiteit Leuven - KUL > Physics > > >]
Silhanek, Alejandro mailto [Université de Liège - ULiège > Département de physique > Physique de la matière condensée >]
Metlushko, V. [University of Illinois at Chicago > Electrical and Computer Engineering > > >]
Ameloot, M. [University Hasselt and transnational University Limburg > BIOMED > > >]
Vandenbosch, G.A.E. [Katholieke Universiteit Leuven - KUL > ESAT-TELEMIC > > >]
Moshchalkov, V.V. [Katholieke Universiteit Leuven - KUL > Physics > > >]
IEEE Photonics Journal
267 - 282
[en] plasmonics
[en] Based on the relationship between charge dimensionality and singular field behavior, it is proven that in a volumetric description of a volume current carrying topology, half rooftops of different binary hierarchical level are allowed without introducing numerical difficulties. This opens the possibility to use a very efficient multi-level hierarchical meshing scheme in a Volumetric Method of Moments (MoM) algorithm. The new meshing scheme is validated by numerical calculations and experiments. It paves the way towards a much more efficient use of MoM in the description of arbitrarily shaped nano-structures at IR and optical frequencies.

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