Programs in Physics & Physical Chemistry
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|Manuscript Title: A library for computing the filtered and non-filtered 3D Green's tensor associated with infinite homogeneous space and surfaces.|
|Authors: P. Gay-Balmaz, O.J.F. Martin|
|Program title: LIBG3D|
|Catalogue identifier: ADPS_v1_0|
Distribution format: tar.gz
|Journal reference: Comput. Phys. Commun. 144(2002)111|
|Programming language: Fortran.|
|Computer: SUN ULTRA 60 (256MB RAM).|
|Operating system: Solaris 2.7.|
|RAM: 208K words|
|Word size: 64|
|Keywords: Quasi-static approximation, Green's tensor technique, Filtered Green's tensor, High permittivity particules, Two-layers medium, Electromagnetic.|
Nature of problem:
Computation of the Green's tensor G(r,r'), i.e. of the field radiated at the observation point r by three orthogonal source dipoles located at r'. This dyadic is computed both for free space and for a surface in the quasi-static limit. Further, the so-called filtered Green's tensor, which increases the application range of the coupled-dipole approximation to higher permittivity scatterers can also be computed .
Analytical expressions from the free space Green's tensor are combined to obtain the electrostatic Green's tensor associated with a surface. For the filtered Green's tensor, a spectral approach, with integration in complex space is used [2,3].
0.62 sec to compute the filtered Green's tensor associated with a surface, for 500 source-observation pairs.
|||N.B. Piller, O.J.F. Martin, Increasing the performances of the coupled-dipole approximation: A spectral approach, IEEE Trans. Antennas Propag. 46 (1998) 1126-1137.|
|||P. Gay-Balmaz, O.J.F. Martin, Validity domain and limitation of non-retarded Green's tensor for electromagnetic scattering at surfaces, Opt. Comm. 184 (2000) 37-47.|
|||P. Gay-Balmaz, O.J.F. Martin, Electromagnetic scattering of high permittivity particles on a substrate, Appl. Optics (2001) (in press).|
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