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Do Electromagnetic Waves Exist in a Short Cable at Low Frequencies?: What Does Physics Say?
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2014 (English)In: Fluctuation and Noise Letters, ISSN 0219-4775, E-ISSN 1793-6780, Vol. 13, no 2, 1450016- p.Article in journal (Refereed) Published
Abstract [en]

We refute a physical model, recently proposed by Gunn, Allison and Abbott (GAA) [http://arxiv.org/pdf/1402.2709v2.pdf], to utilize electromagnetic waves for eavesdropping on the Kirchhoff-law-Johnson-noise (KLJN) secure key distribution. Their model, and its theoretical underpinnings, is found to be fundamentally flawed because their assumption of electromagnetic waves violates not only the wave equation but also the second law of thermodynamics, the principle of detailed balance, Boltzmann's energy equipartition theorem, and Planck's formula by implying infinitely strong blackbody radiation. We deduce the correct mathematical model of the GAA scheme, which is based on impedances at the quasi-static limit. Mathematical analysis and simulation results confirm our approach and prove that GAA's experimental interpretation is incorrect too.

Place, publisher, year, edition, pages
2014. Vol. 13, no 2, 1450016- p.
Keyword [en]
Waves, KLJN secure key exchange, physics in engineering education
National Category
Physical Sciences Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-238982DOI: 10.1142/S0219477514500163ISI: 000344079000007OAI: oai:DiVA.org:uu-238982DiVA: diva2:773041
Available from: 2014-12-18 Created: 2014-12-17 Last updated: 2017-12-05Bibliographically approved

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Granqvist, Claes-Göran

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