Phase transitions in a programmable quantum spin glass simulator

Simulating correlated electron systems

Correlated electron systems are generally difficult to simulate because of limited capabilities of computational resources. Harris
et al.
used a D-Wave chip based on a large array of superconducting elements to simulate the phases of a complex magnetic system. They tuned the amount of frustration within the lattice and varied the effective transverse magnetic field, which revealed phase transitions between a paramagnetic, an ordered antiferromagnetic, and a spin-glass phase. The results compare well to theory for this spin-glass problem, validating the approach for simulating problems in materials physics.

Science
, this issue p.
162

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Citations

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References

Details

Published: Jul 13, 2018
Vol/Issue: 361(6398)
Pages: 162-165

Authors

R

R. Harris