Construction of a more complete quantum fluid model from Wigner-Boltzmann Equation with all higher order quantum corrections
Bose, Anirban · Janaki, Mylavarapu S.
Original · EN
A semiclassical Quantum Hydrodynamic model has been derived by taking the moments of the Wigner-Boltzmann equation. For the first time, the closure has been achieved by the use of the momentum shifted version of all order quantum corrected solution of the Wigner-Boltzmann equation and that has considerably extended the applicability of the model towards the low temperature and high density limit. In this context, the importance of the correlation and exchange effects have been retained through the Kohn-Sham equation in the construction of the Wigner-Boltzmann equation. The validity of the approach is subject to the existence of the Taylor's expansion of the associated Kohn-Sham potential.
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