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Quantum Star Graphs and Spectral Branching Filter

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2 Author(s)
Yasunori Hasebe ; Lab. of Phys., Kochi Univ. of Technol., Tosayamada, Japan ; Taksu Cheon

The analysis of quantum star graph, a mathematical model of quantum-wire based single electron device, is presented. It is shown that the proper connection condition of quantum wave functions at the node can be understood as combinations of ¿ and ¿' interactions between all pairs of lines. We examine the case of n = 2 and n = 3, and show that the identification of ¿ and ¿' components enables the designing of quantum spectral branching filters.

Published in:

Quantum, Nano and Micro Technologies, 2010. ICQNM '10. Fourth International Conference on

Date of Conference:

10-16 Feb. 2010