Gupta, S. Dutta ; Arun, R. ; Agarwal, G. S. (2004) Subluminal to superluminal propagation in a left-handed medium Physical Review B, 69 (11). 113104_1-113104_4. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v69/i11/e113104
Related URL: http://dx.doi.org/10.1103/PhysRevB.69.113104
Abstract
In this paper we report large group delays in the propagation of narrow-band pulses through a dispersive medium with both dielectric function and magnetic permeability negative. We show how the numerical results can be understood in terms of the phase time as calculated from the complex transmission amplitude. We also demonstrate superluminal passage and saturation of phase time in the same material albeit in a different spectral region.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11959 |
| Deposited On: | 10 Nov 2010 06:43 |
| Last Modified: | 11 May 2011 06:13 |
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