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Quantum Diffusion Front of an Electron in Aperiodic Lattices
CHEN Bo 1,ZHONG Ming 2 * #
1.School of Physics and Technology, Nanjing normal University
2.School of Physics and Technology, Nanjing normal University, Nanjing 210046
*Correspondence author
#Submitted by
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Funding: 2006年高等学校博士学科点专项科研基金（No.20060319007）
Opened online:21 January 2011
Accepted by: none
Citation: CHEN Bo,ZHONG Ming.Quantum Diffusion Front of an Electron in Aperiodic Lattices[OL]. [21 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4404927
 
 
In this paper, the quantum diffusion front of an electron moving in aperiodic lattices is studied by numerical methods. It is found that the stretched exponential quantum diffusion front, founded originally by Zhong et.al. for electron in the random and Fibonacci lattices, is not universal for electron in some of aperiodic lattices, such as period-doubling and Thue-Morse lattices. And it is found by analyzing the properties of the uniform case that the reason of this non-universal behavior is the extended eigenstates in these systems.
Keywords:theoritical physics; quantum diffusion; front; aperiodic; universal
 
 
 

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