How Quantum Computing Can Help Address Sustainability Challenges

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3Q 2021 | IN-6249


Why Quantum Computing?


Classical computing has remained the predominant method of solving computation problems such as integer factorization, graphic rendering, and database storage and retrieval. However, the processing speed of quantum computing and its energy consumption has led to a shift in narrative. The primary benefit of quantum computing over classical computing is the substantial increase in computational speed. Classical computers take too much time running thousands or even millions of scenarios in real-time to aid in decision making, even if multiple computer systems ran in parallel.

In December 2020, a team of researchers at the University of Science and Technology of China in Hefei used beams of laser light to carry out calculations for a problem called “Gaussian boson sampling” — which entails calculating the probability distribution of many bosons whose quantum waves interfere with one another in a way that essentially randomizes the position of the particles. As a result, they could find solutions to the boson-sampling problem in 200 seconds, a task that would take an estimated 2…

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