The role of acoustic plasmons in the recently discovered highTc superconductors is discussed. It is shown that the exchange of acoustic plasmons together with the usual phonon exchange between electrons can give rise to aTc ∼ 100 K.
Dr. V . M. Nandakumaran, “On the role of acoustic plasmons in highT c superconductors”, Pramana, vol. 29, pp. L113–L115, 1987.