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The Structure of Electronic Excitation Levels in Insulating Crystals
Abstract
In this article, a method is devised to study the energy spectrum for an excited electron configuration in an ideal crystal. The configuration studied consists of a single excited electron taken out of a full band of $N$ electrons. The multiplicity of the state is ${N}^{2}$. It is shown that because of the Coulomb attraction between the electron and its hole ${N}^{\frac{8}{5}}$ states are split off from the bottom of the excited Bloch band; for these states the electron cannot escape its hole completely. The analogy of these levels to the spectrum of an atom or molecule is worked out quantitatively. The bottom of the Bloch band appears as "ionization potential" and the Bloch band itself as the continuum above this threshold energy.
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Citations
Cited by
Electronic excitations: density-functional versus many-body Green’s-function approaches
Onida, G., Reining, L., & Rubio, A. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.601 · Cited by 4,155
Maximally localized Wannier functions: Theory and applications
Marzari, N., Mostofi, A. A., Yates, J. R., Souza, I., & Vanderbilt, D. (2012) · Reviews of Modern Physics · doi:10.1103/revmodphys.84.1419 · Cited by 3,283
Motion of Electrons and Holes in Perturbed Periodic Fields
Luttinger, J. M., & Kohn, W. (1955) · Physical Review · doi:10.1103/physrev.97.869 · Cited by 3,088
Semiconducting and other major properties of gallium arsenide
Blakemore, J. S. (1982) · Journal of Applied Physics · doi:10.1063/1.331665 · Cited by 2,503
Berry’s phase for energy bands in solids
Zak, J. (1989) · Physical Review Letters · doi:10.1103/physrevlett.62.2747 · Cited by 1,950
Metadata
- Authors
- Wannier, G. H.
- Venue
- Physical Review
- Publisher
- American Physical Society (APS)
- Published
- 1937-08-01
- Volume
- 52
- Issue
- 3
- Pages
- 191-197
- ISSN
- 0031-899X (ISSN-L)
- OpenAlex
- W1995696119
- Cited by
- 2,167
- References
- 0
- FWCI
- 1.98
- Type
- journal article
- Language
- en
- Open access
- closed
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