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Superluminal tunneling of microwaves in smoothly varying transmission lines
Joint Institute of High Temperatures, Russian Academy of Sciences, Moscow, Russian Federation.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2008 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 78, no 1, 016601- p.Article in journal (Refereed) Published
Abstract [en]

Tunneling of microwaves through a smooth barrier in a transmission line is considered. In contrast to standard wave barriers, we study the case where the dielectric permittivity is positive, and the barrier is caused by the inhomogeneous dielectric profile. It is found that reflectionless, superluminal tunneling can take place for waves with a finite spectral width. The consequences of these findings are discussed, and an experimental setup testing our predictions is proposed.

Place, publisher, year, edition, pages
New York: American Physical Society through the American Institute of Physics , 2008. Vol. 78, no 1, 016601- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-10364DOI: 10.1103/PhysRevE.78.016601OAI: oai:DiVA.org:umu-10364DiVA: diva2:150035
Available from: 2008-08-27 Created: 2008-08-27 Last updated: 2017-12-14Bibliographically approved

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Brodin, Gert
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Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
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