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News Link • Robots and Artificial Intelligence

Large-Scale Programmable Quantum Simulation using 2048 qubits

• nextbigfuture.com by brian wang

This work has significantly raised the bar in regards to size and complexity of the problems addressed by fully programmable quantum computers. The D-Wave system is capable of programming the individual interactions between spins, whereas prior work with other quantum devices was limited to studying systems in which those interactions could not be individually programmed.

Researchers used a 2048-qubit D-Wave quantum computer to study the transverse field Ising model on 3-dimensional simple cubic lattices up to dimensions of 8x8x8 (512 quantum spins). The magnetic phases, and more importantly the phase transitions, were correctly identified within the 3-dimensional space as a function of quantum mechanical energy scale, the strength of interactions between spins, and disorder among the programmable interactions.

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