Lookup NU author(s): yunyi Cao,
Dr Jinju Chen
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Institute of Physics, 2016.
For re-use rights please refer to the publisher's terms and conditions.
Author(s): Cao Y, Duan P, Chen J
Publication type: Article
Publication status: Published
Print publication date: 13/05/2016
Online publication date: 04/04/2016
Acceptance date: 10/03/2016
Date deposited: 09/04/2016
ISSN (print): 0957-4484
ISSN (electronic): 1361-6528
Publisher: Institute of Physics
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