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7. Schrödinger and von Neumann Equation

In this chapter we study the orthodox formulation of quantum (wave) mechanics using the Schrödinger and the von Neumann equation. First we study single particle transport as described by the Schrödinger equation with absorbing boundary conditions. Then we solve the open boundary von Neumann equation by reducing it to a set of Schrödinger equations using the separation ansatz. This is known as the quantum transmitting boundary method (QTBM). Finally we discuss the modeling of scattering using hydrodynamical variables within the QTBM.



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