To understand large quantum systems, like complex molecules, we need to understand and model the quantum interactions between their components. To run computer simulations for these problems, we effectively need to teach our computer quantum mechanics, which is very difficult for computers to do.
If, instead, we simulate our quantum system using another quantum system as a simulator, one that is easier to control and study, we could learn about it more efficiently. This is because the quantum simulator doesn’t need to “learn” quantum mechanics: it already works by the same rules!
This content is taken from the Institute for Quantum Computing, University of Waterloo.
Assistant Professor, School of Electrical, Computer and Energy Engineering, Arizona State University
Expertise: Quantum control, Quantum simulation, Quantum algorithms, Open quantum systems, Quantum information
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