Anomalous Electromagnetic Tunneling in Bianisotropic ϵ-µ-Zero Media.
Phys Rev Lett
; 129(12): 123901, 2022 Sep 16.
Article
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| MEDLINE
| ID: mdl-36179206
ABSTRACT
Quantum tunneling, one of the most celebrated effects arising from the wave nature of matter, describes the partial penetration of an incident propagating wave through a potential barrier in the form of an evanescent field that exponentially decays from the incident interface. A similar tunneling effect has also been observed in classical systems, such as the frustrated total internal reflection. Here we reveal an unexplored form of tunneling for electromagnetic waves which features opposite behaviors for the electric and magnetic fields, with one turning into a growing field, and the other a decaying field, in a medium that exhibits both ϵ-µ-zero and bianisotropy. Our Letter provides a new mechanism for manipulating electromagnetic waves for novel device applications.
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01-internacional
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MEDLINE
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En
Revista:
Phys Rev Lett
Año:
2022
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Article