Lookup NU author(s): Dr Thomas Pope,
Professor Werner Hofer
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Springer Nature, 2019.
For re-use rights please refer to the publisher's terms and conditions.
Author(s): Pope T, Hofer WA
Publication type: Article
Publication status: Published
Journal: Frontiers of Physics
Print publication date: 01/04/2019
Online publication date: 23/11/2018
Acceptance date: 30/10/2018
Date deposited: 21/11/2018
ISSN (print): 2095-0462
ISSN (electronic): 2095-0470
Publisher: Springer Nature
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