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Quantum spin dynamics with pairwise-tunable, long-range interactions #MMPMID27496329
Hung CL; González-Tudela A; Cirac JI; Kimble HJ
Proc Natl Acad Sci U S A 2016[Aug]; 113 (34): E4946-55 PMID27496329show ga
Cold atoms trapped along a photonic crystal waveguide can be used to simulate long-range quantum magnetism with pairwise-tunable spin?spin interactions mediated by guided virtual photons in a photonic band gap. Using a two-photon Raman addressing scheme, the proposed atom-nanophotonic system can achieve arbitrary and dynamic control on the strength, phase, and length scale of spin interactions. This promises new avenues for engineering a large class of spin Hamiltonians, including those exhibiting topological order or frustrated long-range magnetism.