CONTENTS
1. Introduction. Choice of Model 549
2. Formulation of the Problem. General Considerations 552
3. The Behavior of the Spectral Density Near the True Boundary of the Spectrum 553
4. The Behavior of the Spectral Density Near Impurity Levels. The Theory of the Broadening of Levels with Concentration 555
5. Structure of the Spectrum Near the Unperturbed Boundary, E⁰_g 561
6. The Structure of the Entire Spectrum 566
7. Some Other Models of Disordered Structures 571
Cited Literature 573

PACS: 71.55.Jv, 71.23.−k (all)
DOI: 10.1070/PU1965v007n04ABEH003634
URL: https://ufn.ru/en/articles/1965/4/c/
Citation: Lifshitz I M "Energy spectrum structure and quantum states of disordered condensed systems" Sov. Phys. Usp. 7 549–573 (1965)

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Оригинал: Лифшиц И М «О структуре энергетического спектра и квантовых состояниях неупорядоченных конденсированных систем» УФН 83 617–663 (1964); DOI: 10.3367/UFNr.0083.196408c.0617