Surface bound states in unconventional superconductors: An unforseen consequence of earlier work by Pierre-Gilles de Gennes and Daniel Saint-James

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

In 1963 de Gennes and Saint-James predicted the existence of bound states in a thin slab of a normal metal backed by a superconductor, at energies smaller than its gap. When applied to superconductors in which the order parameter has d-wave symmetry, such as the High Tc cuprates, their theory together with a more detailed version by Saint-James predict zero energy surface bound states. These states have been observed by Point Contact and Tunneling Spectroscopy and their study, as well as the direct observation of electron-hole reflection, have given new insights into the electronic structure of the cuprates.

Original languageEnglish
Title of host publicationP.g. De Gennes' Impact On Science - Volume I
Subtitle of host publicationSolid State And Liquid Crystals
PublisherWorld Scientific Publishing Co. Pte Ltd
Pages16-31
Number of pages16
ISBN (Electronic)9789814273817
ISBN (Print)9789814273800
StatePublished - 29 Jul 2009

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