Negative index
From: Salvo (xx_salvo_xx_at_hotmail.com)
Date: 07/28/04
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Date: Wed, 28 Jul 2004 20:39:39 GMT
Some metals have a negative real refractive index (e.g. silver near UV) or
so-called "metamaterials" can create the same effect.
Suppose that a monocr. wave propagates in such materials: shouldn't the
phase velocity be < 0? Or does something else happen?
Thanks.
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