Question: Example 10.18: The electron motion in a superconductor In superconductivity the motion of an electron on top of the Fermi distribution, i.e. at T =

Example 10.18: The electron motion in a superconductor In superconductivity the motion of an electron on top of the Fermi distribution, i.e. at T = 0, attracts the positive ions of the lattice (here taken with charge +1 and lattice separation

d) towards its path over a distance l and breadth δ behind it. Using the considerations of Examples 9.12, 10.15 and 10.16, show that

me M

d, l

M me

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