In Bcs Theory Electrons Interact via?

The main point of the BCS theory is that the attractive electron-electron interaction mediated by the phonons gives rise to Cooper pairs, i.e. bound states formed by two electrons of opposite spins and momenta.

What is BCS theory prediction?

BCS theory correctly predicts the Meissner effect, i.e. the expulsion of a magnetic field from the superconductor and the variation of the penetration depth (the extent of the screening currents flowing below the metal's surface) with temperature.

What are Cooper pairs give an outline of BCS theory of superconductivity?

Cooper showed that an arbitrarily small attraction between electrons in a metal can cause a paired state of electrons to have a lower energy than the Fermi energy, which implies that the pair is bound. In conventional superconductors, this attraction is due to the electron–phonon interaction.