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superconductor. H

superconductor. H

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A. Explain the formation of Cooper pair in a superconductor. How does the electron-electron interaction via lattice deformation result in superconductivity? B. A superconducting lead sample has a critical temperature (Tc) of 7.26 K at zero magnetic field and a critical field of 8 x 105 Tesla at 0 K. Calculate the critical magnetic field at 5 K. C. In London's phenomenological theory of superconductors, what is the London penetration depth (2.)? D. Mercury has a critical temperature (Tc) of 4.12 K and its London penetration depth (2) at 0 Kis 519 x 10-10 m. Estimate the penetration depth at 3.50 K.
Transcribed Image Text:A. Explain the formation of Cooper pair in a superconductor. How does the electron-electron interaction via lattice deformation result in superconductivity? B. A superconducting lead sample has a critical temperature (Tc) of 7.26 K at zero magnetic field and a critical field of 8 x 105 Tesla at 0 K. Calculate the critical magnetic field at 5 K. C. In London's phenomenological theory of superconductors, what is the London penetration depth (2.)? D. Mercury has a critical temperature (Tc) of 4.12 K and its London penetration depth (2) at 0 Kis 519 x 10-10 m. Estimate the penetration depth at 3.50 K.
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