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|Title:||Long-range adiabatic quantum state transfer through a tight-binding chain as a quantum data bus||Authors:||Chen, B.
|Issue Date:||5-Jul-2012||Citation:||Chen, B., Fan, W., Xu, Y., Chen, Z.-Y., Feng, X.-L., Oh, C.H. (2012-07-05). Long-range adiabatic quantum state transfer through a tight-binding chain as a quantum data bus. Physical Review A - Atomic, Molecular, and Optical Physics 86 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.86.012302||Abstract:||We introduce a scheme based on adiabatic passage that allows for long-range quantum communication through tight-binding chain with always-on interaction. By adiabatically varying the external gate voltage applied on the system, the electron can be transported from the sender's dot to the aim one. We numerically solve the Schrödinger equation for a system with a given number of quantum dots. It is shown that this scheme is a simple and efficient protocol to coherently manipulate the population transfer under suitable gate pulses. The dependence of the energy gap and the transfer time on system parameters is analyzed and shown numerically. Our method provides a guidance for future realization of adiabatic quantum state transfer in experiments. © 2012 American Physical Society.||Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/115173||ISSN:||10502947||DOI:||10.1103/PhysRevA.86.012302|
|Appears in Collections:||Staff Publications|
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