What is the suitable condition for the superconductivity and high resista (a) Weak phonon-phonon interactions (b) No interactions between the particles (c) Weak electron-phonon interactions (d) A strong electron-phonon interaction ос
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The suitable condition for superconductivity is (d) A strong electron-phonon interaction. Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain materials when cooled below a characteristic critical temperature. Strong electron-phonon interactions are crucial because they lead to the formation of Cooper pairs. Cooper pairs are pairs of electrons that are bound together at low temperatures in a certain manner that allows them to move through a superconductor without resistance. The electron-phonon interaction causes a slight lattice distortion that leads to an attraction between electrons, overcoming the normal repulsion between like charges.