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Superlattices and Microstructures
Volumn 7, Issue 2, 1990, Pages 119-130
Density-gradient theory analysis of electron distributions in heterostructures
Author keywords

[No Author keywords available]
Indexed keywords

ELECTRONS; MATHEMATICAL TECHNIQUES--VARIATIONAL TECHNIQUES; QUANTUM THEORY; SEMICONDUCTOR MATERIALS--CHARGE CARRIERS;
EID: 0025230056     PISSN: 07496036     EISSN: 10963677     Source Type: Journal    
DOI: 10.1016/0749-6036(90)90124-P     Document Type: Article
Times cited : (23)
References (18)
  • 1
    • 0000776042 scopus 로고
    • The detailed derivations of this paper appear in NRL Memorandum Report #6444 (1989) available upon request.
    • (1987) Physical Review , vol.35 B , pp. 7959
    • Ancona1    Tiersten2
  • 7
    • 84915317744 scopus 로고    scopus 로고
    • This is of same form as the variational solution employed by
  • 9
    • 84915317743 scopus 로고    scopus 로고
    • to find an approximate one-electron envelope wave-function ψ for the lowest sub-band.
  • 12
    • 84915317741 scopus 로고    scopus 로고
    • Making b density-gradient dependent is valid field theory and would lead to improved agreement as QW thickness narrows or mass or temperature decrease. Nevertheless, some thickness-dependent discrepancies like those of Fig. 4 must still remain as a result of higher-order gradient effects.

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