Linear Isotropic Chirality: Electromagnetic versus Cosserat

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• Akhlesh Lakhtakia (Pennsylvania State University)
• Monday 20 March 2023, 16:00-16:30
• Seminar Room 1, Newton Institute.

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MWSW02 - Theory of wave scattering in complex and random media

The fundamental equations of electromagnetism involve two fields (E and B) that are coupled through one constitutive parameter for application to linear isotropic chiral materials. Involving just one field (i.e., displacement), the fundamental equations of linear elasticity are inadequate for the same application. Not only must a new field (i.e., microrotation) be invoked but it must also be coupled to displacement using four constitutive parameters. Therefore, electromagnetic and elastodynamic (i.e., Cosserat) descriptions of linear isotropic chiral materials are not simple cognates and produce different phenomenons.

This talk is part of the Isaac Newton Institute Seminar Series series.

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