07

NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2017, 8 (1), P. 42–47

Tunable wave packet transport in branched periodic lattices with time-dependent external field

Jambul Yusupov – Turin Polytechnic University in Tashkent, 17. Niyazov Str., 100095, Tashkent, Uzbekistan; j.yusupov@polito.uz

We study the dynamics of a Gaussian wave packet in a branched system of periodic lattices driven by an external time-dependent field. Motivated by recent numerical experiments with the manipulation of wave packet transmission in quantum star graph, we provide further discussion based on some achievements obtained from one-dimensional tight-binding models with arbitrary external time-dependent fields and on numerical calculations.

Keywords: quantum graph, periodically-driven system, directed transport, wave packet dynamics.

PACS 03.65.Aa, 37.10.Jk, 05.60.Gg

DOI 10.17586/2220-8054-2017-8-1-42-47

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