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2019-03-22
Interaction of a Sine Wave with an Artificial Negative Permittivity Medium Using Nonstandard FDTD
By
Progress In Electromagnetics Research Letters, Vol. 83, 1-5, 2019
Abstract
This paper presents the realization of Nonstandard Finite Difference Time Domain (NS-FDTD) analysis having high accuracy and low computational cost to a negative permittivity metamaterial wire medium for the first time. A sine wave of frequency less than that of plasma frequency of the medium which is in the shape of a slab reflector is allowed to interact after identifying the exact values of the required stability condition of the NS-FDTD. The electric field distribution around the plasma slab obtained for a particular excitation point using NS-FDTD and standard FDTD are demonstrated which show obvious advantages of this high accuracy algorithm. This novel technique may be further extended to various dispersive and metamaterial structures.
Citation
Jovia Jose, Sikha Kolamkanny Simon, Joe Kizhakooden, Anju Sebastian, Sreedevi P. Chakyar, Nees Paul, Cherala Bindu, Jolly Andrews, and Vallikkavumkal Paily Joseph, "Interaction of a Sine Wave with an Artificial Negative Permittivity Medium Using Nonstandard FDTD," Progress In Electromagnetics Research Letters, Vol. 83, 1-5, 2019.
doi:10.2528/PIERL19021503
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