A generalised Dirac-Kronig-Penney model
- 1 January 1989
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 1 (1) , 109-112
- https://doi.org/10.1088/0953-8984/1/1/009
Abstract
A generalisation of the Dirac-Kronig-Penney model for polyatomic crystals has been developed. The crystal potential is taken as a periodic array of delta -function potentials, with several delta -functions of different strength in each unit cell. The dispersion law of Dirac electrons in such a potential is found in a closed form.Keywords
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