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On the genesis of Post constraint in modern electromagnetism

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The genesis of the Post constraint is premised on two attributes of modern electromagnetism: (i) its microscopic nature, and (ii) the status of $ \tilde {\bit e} $( x , t) and $ \tilde {\bit b} $( x , t) as the primitive electromagnetic fields. This constraint can therefore not arise in EH-electromagnetism, wherein the primitive electromagnetic fields are the macroscopic fields $ \tilde {\bit E} $( x , t) and $ \tilde {\bit H} $( x , t). Available experimental evidence against the Post constraint is incomplete and inconclusive.

Document Type: Research Article


Affiliations: Computational & Theoretical Materials Sciences Group (CATMAS), Department of Engineering Science & Mechanics, Pennsylvania State University, University Park, PA 16802–6812, USA

Publication date: 2004-07-01

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