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Indian Institute of Technology Guwahati

A brief course on Superconductivity

Indian Institute of Technology Guwahati and NPTEL via Swayam

This course may be unavailable.


The course deals with the basics of superconductivity, including Meissner effect, electrodynamic response, -type-I and type-II superconductors etc. BCS theory, the only microscopic theory of superconductivity is discussed in details with a view to understand superconducting transition temperature and its relation to the pairing gap. Further Ginzburg Landau theory is introduced which is a phenomenological theory that is applicable in general to second order phase transitions. A few experimental methods to explore the superconducting gap are discussed. Unconventional superconductivity is elaborately talk about with regard to the unusual normal phase of the high Tc cuprates and ramification due to the breakdown of Landau's Fermi liquid theory therein is emphasized. Finally Josephson effect is introduced and its applications to superconducting circuits are studied. Special emphasis is given to DC SQUID which uses Josephson junctions and has a variety of applications, such as sensors, amplifiers, magnetometers etc . INTENDED AUDIENCE : B.Tech (Material Science) and M.Sc (Physics, Material Science) andPhD students, lecturers (Solid state Physics)PRE-REQUISITES : Solid State Physics INDUSTRY SUPPORT : Companies into material science and ceramic research will be benefitted.


Week 1 : Principles of Superconductivity, London equations, Penetration depth, Coherence Length Week 2 : Type-I and Type-II, superconductors, linear response theory, BCS theory, Boundary value problems at high frequenciesWeek 3 : Basics of Josephson junctions, SQUIDS, Application of SQUIDS, Quantum Logic circuit Week 4 : Introduction to High-Tc superconductivity, Graphite superconductors, Fe-based superconductors

Taught by

Prof. Saurabh Basu


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