Green's-function approach to quantum confinement
Journal Article
·
· Physical Review B
OSTI ID:877670
We present a rigorous means of computing the electronic properties of a confined system by perturbing the electronic properties of an unconfined bulk system. Our approach focuses on the Green's function of the confined system. We explain why it is preferable to consider the confined Green's function rather than the confined energy eigenfunctions, and an expression for the change in the Green's function produced by quantum confinement is derived. Finally, we shift our focus to the eigenfunctions and derive approximate results for a spherical nanocrystal with a Green's function methodology.
- Research Organization:
- Ernest Orlando Lawrence Berkeley NationalLaboratory, Berkeley, CA (US)
- Sponsoring Organization:
- USDOE Director. Office of Science. Office of Basic EnergySciences. Materials Sciences Division; National Science Foundation GrantDMR-9520554
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 877670
- Report Number(s):
- LBNL--48723; BnR: KC0202030
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 16 Vol. 57
- Country of Publication:
- United States
- Language:
- English
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