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Discreteness effects and domain walls in composite metamaterials | | Ilya V. Shadrivov
; Alexander A. Zharov
; Nina A. Zharova
; Yuri S. Kivshar
; | | Date: |
27 Dec 2004 | | Subject: | Materials Science; Pattern Formation and Solitons | cond-mat.mtrl-sci nlin.PS | | Abstract: | We describe novel physics of left-handed composite metamaterials by taking into account magnetic interaction between the split-ring resonators. We demonstrate that the effective coupling between the resonators is highly anisotropic, and we derive the coupled-mode equations for describing the propagation of quasi-magnetostatic waves. We show that in the nonlinear regime the magnetic response of a metamaterial may become bistable, and we analyze modulational instability of different nonlinear states. We demonstrate that nonlinear metamaterials may support the propagation of domain walls (kinks) connecting the regions of stable states of the opposite magnetization. | | Source: | arXiv, cond-mat/0501653 | | Services: | Forum | Review | PDF | Favorites | |
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