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Nonlinear Superconductive Electronics and Josephson Devices

1991 Science
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Release : 1991
Genre : Science
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Book Synopsis Nonlinear Superconductive Electronics and Josephson Devices by : Giovanni Costabile

Download or read book Nonlinear Superconductive Electronics and Josephson Devices written by Giovanni Costabile. This book was released on 1991. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a NATO Advanced Research Workshop on Nonlinear Superconductive Electronics and of the Second Workshop on Josephson Devices, held jointly in Capri, Italy, September 1990. Coverage includes very fast superconducting digital circuitry, analog applications, SQUIDS, several aspects of basi

Nonlinear Superconductive Electronics and Josephson Devices

2012-12-06 Science
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Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 521/5 ( reviews)

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Book Synopsis Nonlinear Superconductive Electronics and Josephson Devices by : G. Costabile

Download or read book Nonlinear Superconductive Electronics and Josephson Devices written by G. Costabile. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: The on-going developments, and the recent achievements of the superconducting electronics (especially in the field of Josephson junctions and the inherent nonlinear dynamics) inspired us to organize a conference where different groups working on the subject could meet and discuss the latest results of their investigations. This idea was realized as two joint workshops, the NATO Advanced Research Workshop on Superconducting Electronics with Prof. N.F. Pedersen as chairman, and the 2nd Workshop on Josephson Devices, with Profs. G. Costabile and M. Russo as chairmen, held in Capri, Italy on September 3-7, 1990. The Workshops were very successful. About 70 scientists from 12 countries (Denmark, France, Germany, Greece, Italy, Japan, People's Republic of China, Sweden, United Kingdom, USA, USSR, and Venezuela) enjoyed the many interesting and mostly informal occasions for scientific exchanges as well as the very pleasant weather of Southern Italy. We are very grateful to the Institutions which made possible the realization and the success of the conference with their financial support : NATO Science Committee through the NATO International Scientific Exchange Programmes, University of Salerno, and Istituto di Cibernetica of the Consiglio Nazionale delle Ricerche (C.N.R.) of Italy. The conference was held under the auspices of the Progetto Finalizzato "Superconductive and Cryogenic Technologies" of C.N.R. Finally special thanks go to our Conference Secretary Anna Maria Mazzarella for carrying out most of the organizative work, and for her continuous "on stage" support in solving all the problems which inevitably arise in such occasions.

Superconducting Electronics

2013-06-29 Technology & Engineering
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Release : 2013-06-29
Genre : Technology & Engineering
Kind : eBook
Book Rating : 855/5 ( reviews)

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Book Synopsis Superconducting Electronics by : Harold Weinstock

Download or read book Superconducting Electronics written by Harold Weinstock. This book was released on 2013-06-29. Available in PDF, EPUB and Kindle. Book excerpt: The genesis of the NATO Advanced Study Institute (ASI) upon which this volume is based, occurred during the summer of 1986 when we came to the realization that there had been significant progress during the early 1980's in the field of superconducting electronics and in applications of this technology. Despite this progress, there was a perception among many engineers and scientists that, with the possible exception of a limited number of esoteric fundamental studies and applications (e.g., the Josephson voltage standard or the SQUID magnetometer), there was no significant future for electronic systems incorporating superconducting elements. One of the major reasons for this perception was the aversion to handling liquid helium or including a closed-cycle helium liquefier. In addition, many critics felt that IBM's cancellation of its superconducting computer project in 1983 was "proof" that superconductors could not possibly compete with semiconductors in high-speed signal processing. From our perspective, the need for liquid helium was outweighed by improved performance, i. e., higher speed, lower noise, greater sensitivity and much lower power dissipation. For many commercial, medical, scientific and military applications, these attributes can lead to either enhanced capability (e.g., compact real-time signal processing) or measurements that cannot be made using any other technology (e.g., SQUID magnetometry to detect neuromagnetic activity).

Non-Linear Wave Phenomena in Josephson Elements for Superconducting Electronics

1985
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Release : 1985
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Book Synopsis Non-Linear Wave Phenomena in Josephson Elements for Superconducting Electronics by : P. L. Christiansen

Download or read book Non-Linear Wave Phenomena in Josephson Elements for Superconducting Electronics written by P. L. Christiansen. This book was released on 1985. Available in PDF, EPUB and Kindle. Book excerpt: The long and intermediate length Josephson tunnel junction oscillator with overlap geometry of linear and circular configuration, is investigated by computational solution of the perturbed sine-Gordon equation model and by experimental measurements. The model predicts the experimental results very well. Line oscillators as well as ring oscillators are treated. For long junctions soliton perturbation methods are developed and turn out to be efficient prediction tools, also providing physical understanding of the dynamics of the oscillator. For intermediate length junctions expansions in terms of linear cavity modes reduce computational costs. The narrow linewidth of the electromagnetic radiation (typically 1 kHz of a line at 10 GHz) is demonstrated experimentally. Corresponding computer simulations requiring a relative accuracy of less than 10 to the -7th power are performed on supercomputer CRAY-1-S. The broadening of linewidth due to external microradiation and internal thermal noise is determined. Keywords include: Cavity mode; Chaos; Fiske steps; Hysteresis; Intermittency, Josephson fluxon oscillator; Josephson ring oscillator; Josephson tunnel junction; Noise rise; Perturbation theory; Radiation line-width; Sine-Gordon equation (perturbed); Solition (fluxon); SQUID; Subharmonics; and Zero field stages.

The New Superconducting Electronics

1993 Technology & Engineering
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Release : 1993
Genre : Technology & Engineering
Kind : eBook
Book Rating : 154/5 ( reviews)

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Book Synopsis The New Superconducting Electronics by : Harold Weinstock

Download or read book The New Superconducting Electronics written by Harold Weinstock. This book was released on 1993. Available in PDF, EPUB and Kindle. Book excerpt: This work provides a review of recent advances in all aspects of superconducting electronics, both for the traditional (4 K) liquid helium based (LTS) materials and the more recent ceramic (HTS) materials that can operate at higher temperatures in the range of liquid nitrogen (77 K).

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