Modeling of CollisionsEditions Scientifiques et Medicales Elsevier, 1998 - 222 من الصفحات |
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الصفحة 179
... derivation of physically approximate and numerically feasable models . Recently , various versions of the so - called quantum hydrodynamic QHD- model [ 5 ] , [ 6 ] appeared in the semiconductor simulation literature . Math- ematically ...
... derivation of physically approximate and numerically feasable models . Recently , various versions of the so - called quantum hydrodynamic QHD- model [ 5 ] , [ 6 ] appeared in the semiconductor simulation literature . Math- ematically ...
الصفحة 180
... derivation of QHD - models for single and multiple quantum states ; ⚫ existence and uniqueness results in the time dependent vortex - free isen- tropic case without relaxation ; ħ ⚫ classical limits h → 0 and dispersive phenomena ...
... derivation of QHD - models for single and multiple quantum states ; ⚫ existence and uniqueness results in the time dependent vortex - free isen- tropic case without relaxation ; ħ ⚫ classical limits h → 0 and dispersive phenomena ...
الصفحة 181
... Derivation As mentioned in the introduction there are different ways to derive QHD- equations . Here we deal first with a derivation starting from a quantum mechanical single or mixed state described by one or , resp . , a sequence of ...
... Derivation As mentioned in the introduction there are different ways to derive QHD- equations . Here we deal first with a derivation starting from a quantum mechanical single or mixed state described by one or , resp . , a sequence of ...
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atomic species average ion Boltzmann Equation Braginskii charge collision frequencies collision integrals collisional conservation equations Coulomb logarithms defined density different masses diffusion distribution function electric field electron-ion energy equation equal mass ions equation set equations 1-2 equilibrium fluid equations Fokker-Planck Galilean invariance gradient heat flux heavy ions hydrodynamics interaction interdiffusion ion species ionic Landau's Lemma limit linear magnetic field Maxwellian distributions Maxwellian estimate mean free paths mean velocity momentum and energy multi-fluid equations neutral plasma Ohm's law Onsager symmetry perturbation calculation perturbation equations Phys plasma oscillations plasma physics quantum Raß relative velocities scalar second order solution temperature equalization tensor thermal transport coefficients transport equations U₂ uncoupling vector viscosity Yaß αα αβ βα Μα тв ть მა