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Quantum Computers Simulate Real Molecules Under Light for First Time

University of Sydney researchers achieve a breakthrough in modeling ultrafast chemical dynamics using a resource-efficient trapped-ion system.

Inside the trapped-ion quantum computer at the University of Sydney Nano Institute.
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Overview

  • Scientists at the University of Sydney have conducted the first quantum simulation of light-driven chemical dynamics in real molecules, advancing quantum computing applications in chemistry.
  • The study uses a highly efficient trapped-ion quantum computer, requiring a million times fewer resources than conventional digital quantum methods.
  • This breakthrough allows for the simulation of ultrafast processes, such as light absorption and molecular vibrations, which classical computers struggle to model accurately.
  • Potential applications include accelerating drug discovery, improving solar energy systems, designing sunscreens, and understanding UV-induced DNA damage.
  • The findings, published in the Journal of the American Chemical Society, mark a shift from static molecular calculations to real-time modeling of dynamic chemical interactions.