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Published September 12, 1988 | Published
Journal Article Open

Density of Surface States in Discrete Models

Abstract

We consider a simple quantum model with a surface and prove the existence of a surface density of states. We show that the energy spectrum of the model is the union of the support of the bulk densities of states of the media forming the surface and the support of the surface density of states.

Additional Information

© 1988 American Physical Society. (Received 14 April 1988) This research was partially supported by U.S. National Science Foundation under Grant No. DMS-8416049.

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Published - PhysRevLett.61.1261.pdf

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