Abstract:Closure relations problem of hydrodynamical models in semiconductors is considered by expressing third- and fourth-order closure relations for the moments of the distribution function
in terms of second-order Lagrange multipliers using a generalized Maxwell-Boltzmann distribution
function within information theory. Calculation results are commented and compared with
others to justify the accuracy of the approach developed in this paper. The comparison involves,
in the first part with good agreements, the closu…
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