Generation of Terahertz oscillations by thin superconducting film in fluctuation regime

Mishonov, Todor M.; Varonov, Albert M.; Chikina, I.; Varlamov, A. A.

doi:10.1140/epjb/e2019-100050-1

Cited by 2 publications

(1 citation statement)

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“…A similar analysis of the current dependence on the voltage was yet made by Gor'kov 39 and very recently. 37 Analogously with the current and conductivity analysis, let us take a look at the temperature dependence of the superconducting sample T as a function of the applied voltage U in Fig. 3, according to Eq.…”

Section: Analysis Of the Current And The Differential Conductivitymentioning

confidence: 99%

Electric Oscillations Generated by Fluctuation Cooper Pairs

Mishonov,

Petkov,

Danchev

et al. 2019

Preprint

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A short review of the history and the contemporary numerical calculations of the operation of an electronic device for generation of electric oscillations by negative differential conductivity of a supercooled below the critical temperature superconductor. The superconductor is cooled below the critical temperature at applied small constant electric field, which keeps the superconductor in normal state. To simulate the device operation, beforehand analytical expressions for the conductivity of nano-structured superconductors supercooled below the critical temperature in electric field are used. The numerical analysis meant to alleviate the development of a device shows that the region of negative differential conductivity of the current voltage characteristics leads to generation of electric oscillations. The study of layered high temperature superconductors and radiated electromagnetic waves in space will be an important problem of the future space technology. I. FOREWORDThe present work is the master thesis of one of the coauthors A. Petkov. The scientific adviser is A. Varonov, T. Mishonov is a consultant. V Danchev is a coauthor of the latest journal papers in 2019, on which the current thesis is based. This thesis is created with full derivations of the formulae for pedagogical purposes, where one and the same final result is obtained by three different initial methods.

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Section: Analysis Of the Current And The Differential Conductivitymentioning

confidence: 99%