Building useful quantum technologies—from sensors to computers—requires generating highly complex entangled states, in which the properties of particles are deeply intertwined. Producing such states has traditionally required complex tools and carefully engineered setups with many parts.
Now, researchers at the University of Chicago Pritzker School of Molecular Engineering (UChicago PME) have found a surprisingly simple method to create and control a broad variety of entangled quantum states.
Their theoretical approach, described in the journal Physical Review X, begins with experimental tools already common in quantum physics laboratories and has immediate applications for ultra-precise sensing technologies and fundamental physics.
"We wanted to take simple ingredients that you find in a lot of physical platforms and put these together in a minimal way to get something interesting, complex and powerful," said Aashish Clerk, professor of molecular engineering at UChicago PME and senior author of the new study.
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