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PHY 712 Electrodynamics 10-10:50 AM MWF Olin 107 Plan for Lecture 33:

PHY 712 Electrodynamics 10-10:50 AM MWF Olin 107 Plan for Lecture 33: Special Topics in Electrodynamics: Electromagnetic aspects of superconductivity – continued Review – reflection and refraction. Josephson junction -- tunneling current between two superconductors. d. x. B z.

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PHY 712 Electrodynamics 10-10:50 AM MWF Olin 107 Plan for Lecture 33:

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  1. PHY 712 Electrodynamics • 10-10:50 AM MWF Olin 107 • Plan for Lecture 33: • Special Topics in Electrodynamics: • Electromagnetic aspects of superconductivity – continued • Review – reflection and refraction PHY 712 Spring 2014 -- Lecture 33

  2. PHY 712 Spring 2014 -- Lecture 33

  3. Josephson junction -- tunneling current between two superconductors d x Bz PHY 712 Spring 2014 -- Lecture 33

  4. Josephson junction -- continued Supercon left Junction Supercon right Bz d PHY 712 Spring 2014 -- Lecture 33

  5. Josephson junction -- continued Supercon left Junction Supercon right Ay d PHY 712 Spring 2014 -- Lecture 33

  6. Josephson junction -- continued d L R x PHY 712 Spring 2014 -- Lecture 33

  7. Josephson junction -- continued PHY 712 Spring 2014 -- Lecture 33

  8. Josephson junction -- continued JL JR JT L R x PHY 712 Spring 2014 -- Lecture 33

  9. Josephson junction -- continued JL JR JT L R x PHY 712 Spring 2014 -- Lecture 33

  10. Josephson junction -- continued JL JR JT L R x PHY 712 Spring 2014 -- Lecture 33

  11. Josephson junction -- continued JL JR JT L R x PHY 712 Spring 2014 -- Lecture 33

  12. Josephson junction -- continued SQUID =superconducting quantum interference device IT F/F0 Note: This very sensitive “SQUID” technology has been used in scanning probe techniques. See for example, J. R. Kirtley, Rep. Prog. Physics 73, 126501 (2010). PHY 712 Spring 2014 -- Lecture 33

  13. Review of reflection and refraction Consider the normal incidence case; 3 media n1 n2 n3 E0 E2T E3T E1R E2R PHY 712 Spring 2014 -- Lecture 33

  14. Review of reflection and refraction -- continued Consider the normal incidence case; 3 media n1 n2 n3 E0 E2T E3T E1R E2R d Note that in this steady-state formulation, we must match the tangential components of the E and H fields at each boundary PHY 712 Spring 2014 -- Lecture 33

  15. Review of reflection and refraction -- continued Consider the normal incidence case; 3 media n1 n2 n3 E0 E2T E3T E1R E2R d PHY 712 Spring 2014 -- Lecture 33

  16. Review of reflection and refraction -- continued Consider the normal incidence case; 3 media n1 n2 n3 E0 E2T E3T E1R E2R d PHY 712 Spring 2014 -- Lecture 33

  17. Review of reflection and refraction -- continued n1 n2 n3 E0 E2T E3T E1R E2R d PHY 712 Spring 2014 -- Lecture 33

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