A century superconductivity, half a century BCS theory and quarter of century high temperature superconductivity (HTSC) – with increasing speed these epochs mark the development of the physics. The development of ideas in the physics of superconductivity and some crucial experiments are briefly reviewed. As a coherent quantum phenomenon from the very beginning the physics of superconductivity have attracted the attention of the creators of the quantum mechanics. The delayed microscopic BCS explanation demonstrated no lack of interest but the difficulty of the problem. The discovery of high temperature superconductivity quarter of century ago set the beginning of the next great epoch, which again concentrated the efforts of the best theorists. Some key moment of the discoveries are pointed out and a short perspective for technical applications is evaluated.

Key Words: superconductivity, BCS theory, high, temperature

   

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GEORGI NADJAKOV INSTITUTE OF SOLID STATE PHYSICS
Bulgarian Academy of Sciences
72 Tsarigradsko chaussee blvd.
BG-1784 Sofia, Bulgaria
Phone: +359 2 979 58 31; GSM +359 (0)899 75 05 90
Fax: +359 2 975 36 32
E-mail: gkamish@issp.bas.bg
Skype: physmuseum

Created: 18 July 2011
Updated: 22 October 2015