| 31. | Where is the permittivity of the material.
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| 32. | However, permittivity determines only the dimensions.
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| 33. | Noble metals, then become natural selections for superlensing because negative permittivity is easily achieved.
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| 34. | Negative permittivity ? eff eff < 0.
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| 35. | I then made one edit at electric permittivity based on what was in that textbook.
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| 36. | Moreover, the permittivity was always positive.
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| 37. | These extended the range of material permittivity.
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| 38. | This is typically represented as a spatially dispersive loss in the plasma's permittivity.
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| 39. | Because the permittivity is anisotropic, polarized light of different orientations will travel at different speeds.
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| 40. | Relative permittivity is a complex-valued; its real and imaginary parts are denoted as:
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