Applicability of nonresonant artificial diamagnetics

Publisher:
American Physical Society
Publication Type:
Journal Article
Citation:
Physical Review B - Condensed Matter and Materials Physics, 2014, 90 (10), pp. 104413-1 - 104413-5 (5)
Issue Date:
2014-09-15
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© 2014 American Physical Society. Artificial diamagnetics are prominent for achieving extraordinarily strong diamagnetism in a wide frequency range. However, as far as the magnetic fields outside the artificial medium are concerned, bulk conductors show a very similar pattern. The question arises whether the complicated internal structure of artificial diamagnetics can, to this end, be replaced by a simpler object. We show that for an electrically small body, internal structuring is likely to make the effective diamagnetic response weaker than that of a simple conducting object.
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