Transparent vertex boundary conditions for quantum graphs: simplified approach
Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 5, pp. 505-510.

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We consider quantum graphs providing reflectionless wave transmission at the vertices. Imposing Kuska’s version of so-called absorbing boundary conditions we derive the constraints, which make usual continuity and Kirchhoff conditions equivalent to transparent boundary conditions.
Keywords: quantum graph, transparent boundary conditions, ballistic transport, wave packet dynamics.
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M. M. Aripov; K. K. Sabirov; J. R. Yusupov. Transparent vertex boundary conditions for quantum graphs: simplified approach. Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 5, pp. 505-510. http://geodesic.mathdoc.fr/item/NANO_2019_10_5_a0/