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Photons immediately spring to mind when we talk about long-distance entanglement. But the spins at the ends of one-dimensional magnetic chains can be entangled over large distances too —

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ACCESS OPTIONS: * Log in * Learn about institutional subscriptions * Read our FAQs * Contact customer support REFERENCES * Sahling, S. et al. _Nature Phys._ 11, 255–260 (2015). Article  ADS

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references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Chiranjib Mitra is in the Indian Institute of Science Education and Research, Kolkata, Mohanpur 741 246, West Bengal, India,

Chiranjib Mitra Authors * Chiranjib Mitra View author publications You can also search for this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to Chiranjib Mitra. RIGHTS

AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Mitra, C. Long-distance relationship. _Nature Phys_ 11, 212–213 (2015). https://doi.org/10.1038/nphys3249

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