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London Penetration Depth & Coherence Length

Muhammad Amirul Fahimi bin Shafee 4SSCZ. London Penetration Depth & Coherence Length. London Penetration Depth. London Penetration Depth - distance which magnetic lines penetrate through material when placed in magnetic field. - Decrease exponential at surface

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London Penetration Depth & Coherence Length

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  1. Muhammad Amirul Fahimi bin Shafee 4SSCZ London Penetration Depth & Coherence Length

  2. London Penetration Depth • London Penetration Depth • - distance which magnetic lines penetrate through material when placed in magnetic field. • - Decrease exponential at surface • - Independent & Dependent with T

  3. Coherence Length • Measure length transition for between normal and superconductor state. T>Tc T<Tc

  4. Experiment • Measurement penetration depth & coherence length in MgB2 using electron microscopy. - use transmission electron • Coherence length & penetration depth of dirty(impurity) superconductor. - figure out properties non-magnetic superconductor alloy Impure superconductor Pure superconductor

  5. Conclusion • Can determine type 1 & type 2 superconductor.

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