Physicist Monika Schleier-Smith customizes quantum networks in the lab. Her experiments advance quantum computing and improve our understanding of the universe. ScientistsYouShouldKnow
Monika Schleier-Smith, an experimental physicist and associate professor at Stanford University, entangles atoms in her lab to ask big questions like: How does gravity work, what happens to information when it falls into black holes and what problems can quantum computing help us solve?
That’s quantum entanglement — correlation in the randomness. Atoms can store information about magnetic spins, and although any atom’s spin seems random, they can synchronize their spins with others in their network. She compares this to the internet. “In the past, you mostly talked to your next-door neighbors, or people who you just bumped into in the real world. But these days, we're always getting on Zoom calls,” says Schleier-Smith in a Zoom interview. “We can connect, in this case, across continents just by dialing in. This changes the way that information can travel. We’re doing that for quantum systems in the lab.”.
The ability to customize entangled networks in the lab is revolutionary. It allows Schleier-Smith to simulate mathematical theories that have previously been impossible to test. For example, her ongoing experiments test a new theory of quantum gravity – an experiment that could reconcile Einstein’s theory of general relativity with quantum mechanics.
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