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|Type:||Artigo de periódico|
|Title:||Wannier Functions And The Phases Of The Bloch Functions|
|Abstract:||We discuss the problem of what phases should be attributed to the Bloch functions in order to obtain Wannier functions with minimal widths. An exact solution to this problem is found by means of the kp perturbation formalism. We also consider localized crystal functions of a more general kind. These functions are found to obey a Schrödinger equation in reciprocal space, and may have some important assets when compared to the Wannier functions. © 1970 The American Physical Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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