The first entangling stage produces the dominant QFI increase, while additional stages yield diminishing returns. Entanglement primarily amplifies cross-parameter correlations rather than individual ...

Researchers have explored the evolution of systems of interacting spins, as they transition from random to orderly alignments. Through new simulations, they show that this evolution can be ...

The central selling point of qubit-based quantum processors is that they can supposedly solve certain types of tasks much faster than a classical computer. This comes however with the major ...

The Ising model in physics describes how subatomic particle spins interact and arrange themselves inside a magnetic material. Ising machines, derived from the model, are one example of the emerging ...

Figure 1: A two-dimensional representation of a ten-dimensional hypercube. A RIKEN researcher has shown that quantum Ising models lack local conserved quantities even ...

Spin cycle: Peter McMahon (left) and Alireza Marandi with the Stanford Ising machine. (Courtesy: L A Cicero) Two independent teams of physicists in the US and Japan have each built versions of a new ...