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Superconductors and superconducting circuits

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Next student seminar :
Access to the program

Here you can find information about your internships:
Experimental Internship - Undergraduate program
Master ICFP first year Internship

News : ICFP Research seminars
November 14 - 18, 2022 :

All information about the program

Contact us - Student support and Graduate School office :
Tél : 01 44 32 35 60
enseignement@phys.ens.fr

Faculty: Xavier Leyronas, Julien Gabelli
Tutor: {{}}
Condensed Matter Physics: Option
Macroscopic Physics and Complexity: Option
Quantum Physics: Option
Theoretical Physics: Option
ECTS credits: 3
Language of instruction: English
Web site:

Description

The goal of this lecture is to introduce superconductivity through historical or recent experiments as well as the necessary theoretical concepts.

The oral exam consists of a a 20 to 30 minutes presentation of a research article.

Outline of the course

A – Introduction to superconductivity

  • Introduction, phenomenology, thermodynamics, Meissner effect
  • Isotopic effect, BCS hamiltonian
  • Cooper pair problem, BCS Ansatz
  • BCS theory T=0 and T>0
  • Mean-field approach, Bogoliubov transformation
  • Bogoliubov-de Gennes equations, proximity effect

B – Mesoscopic superconductivity

  • Normal-Insulator-Superconductor (NIS) junctions, quasiparticles and Andreev currents
  • Hybrid junctions Normal-Superconductor (NS), ballistic and diffusive regimes
  • Superconducting junctions and Andreev bound states : SIS and SNS junctions
  • Superconducting grains and small junctions, charging effects

Quick links

Next student seminar :
Access to the program

Here you can find information about your internships:
Experimental Internship - Undergraduate program
Master ICFP first year Internship

News : ICFP Research seminars
November 14 - 18, 2022 :

All information about the program

Contact us - Student support and Graduate School office :
Tél : 01 44 32 35 60
enseignement@phys.ens.fr