Abstract
Nature Physics http://dx.doi.org/10.1038/nphys2277 (2012); 1 April 2012; corrected after print 26 April 2012. In the version of this Letter originally published, the name of the first author of ref. 21 should have read 'De Liberato, S.'. This error has been corrected in the HTML and PDF versions of the Letter.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
