Research Article
A Generalization of Electromagnetic Fluctuation-Induced Casimir Energy
Table 1
Common function in real and imaginary space.
| | Real axis | Imaginary axis | Comments |
| Frequency | | | , | Electrical permittivity | | | , , , | Magnetic permeability | | | , , , | In-plane wavevector | | | Phase variation in plane is | Out-of-plane wavevector | | |
| Phase variation in -direction | | | In vacuum, is a real number for PWa and imaginary for EWb. is always positive |
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aPropagating wave. bEvanescent wave.
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