Journal
VLSI DESIGN
Volume 10, Issue 4, Pages 415-435Publisher
GORDON BREACH SCI PUBL LTD
DOI: 10.1155/2000/91289
Keywords
quantum hydrodynamic model; moment expansion
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A smooth quantum hydrodynamic (QHD) model for semiconductor devices is derived by a Chapman-Enskog expansion of the Wigner-Boltzmann equation which can handle in a mathematically rigorous way the discontinuities in the classical potential energy which occur at heterojunction barriers in quantum semiconductor devices. A dispersive quantum contribution to the heat flux term in the QHD model is introduced.
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