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Žnidarič M, Scardicchio A, Varma VK.Žnidarič M, et al. Among authors: varma vk.Phys Rev Lett. 2016 Jul 22;117(4):040601. doi: 10.1103/PhysRevLett.117.040601. Epub 2016 Jul 22.Phys Rev Lett. 2016.PMID: 27494464