G Brodin and M Marklund 2008 New J. Phys. 10 115031 doi:10.1088/1367-2630/10/11/115031
On the possibility of metamaterial properties in spin plasmas
Focus on Cloaking and Transformation OpticsG Brodin and M Marklund1
Show affiliationsPart of Focus on Cloaking and Transformation Optics
The fluid theory of plasmas is extended to include the properties of electron spin. The linear theory of waves in a magnetized plasma is presented, and it is shown that the spin effects cause a change of the magnetic permeability. Furthermore, by changing the direction of the external magnetic field, the magnetic permeability may become negative. This leads to instabilities in the long wavelength regimes. If these can be controlled, however, the spin plasma becomes a metamaterial for a broad range of frequencies, i.e. above the ion cyclotron frequency but below the electron cyclotron frequency. The consequences of our results are discussed.
- PACS
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Issue 11 (November 2008)
Received 31 May 2008
Published 27 November 2008
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On the possibility of metamaterial properties in spin plasmas
G Brodin and M Marklund 2008 New J. Phys. 10 115031
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