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Anonymous IP user: 18.104.22.168 previously copied and pasted (word for word) the introduction for this article  from the Nature Physics web site here. I then restored the article to its previous version here. The anonymous IP user then restored the copyrighted material .
Rather than get into an edit war with an anonymous IP user I placed the copy vio tag on the article, so an administrator can deal with this. ---- Steve Quinn (talk) 19:14, 5 September 2010 (UTC)
One or more portions of this article duplicated other source(s). The material was copied from: http://www.nature.com/nphys/authors/index.html#aims-scope. Infringing material has been rewritten or removed and must not be restored, unless it is duly released under a compatible license. (For more information, please see "using copyrighted works from others" if you are not the copyright holder of this material, or "donating copyrighted materials" if you are.) For legal reasons, we cannot accept copyrighted text or images borrowed from other web sites or published material; such additions will be deleted. Contributors may use copyrighted publications as a source of information, but not as a source of sentences or phrases. Accordingly, the material may be rewritten, but only if it does not infringe on the copyright of the original orplagiarize from that source. Please see our guideline on non-free text for how to properly implement limited quotations of copyrighted text. Wikipedia takes copyright violations very seriously, and persistent violators will be blocked from editing. While we appreciate contributions, we must require all contributors to understand and comply with these policies. Thank you. Moonriddengirl(talk) 16:10, 13 September 2010 (UTC)