Abstract
The trend towards using ultracold atoms as simulators of condensed-matter and many-body phenomena is gaining momentum. These systems can now be used to simulate quantum magnetism. See Article p.307 Quantum simulation of condensed-matter systems using ultracold atoms provides a way to study problems that are computationally intractable on classical computers. Using an ultracold gas of rubidium atoms confined in an optical lattice, Simon et al. simulate quantum magnetism in a chain of spins and observe a quantum phase transition from a paramagnetic phase into an antiferromagnetic phase. This work provides a tunable platform for studies of magnetic quantum phase transitions, which have been realized in few real materials.
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