Physics
Quantum computers don’t always need more qubits – just add chaos
To create useful randomness in a quantum computer, you could add more quantum bits, but using quantum chaos does the trick too
By Karmela Padavic-Callaghan
5 May 2025
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Illustration of a chip containing quantum bits, or qubitsPete Hansen/Shutterstock
The effort to build truly useful quantum computers often comes down to making them bigger by adding qubits, the quantum bits that are the basic building blocks of these devices. But creating quantum chaos inside them could have the same effect – and let quantum computers perform some tasks that seem too big for them to handle.
Read moreA cosmic shape could explain the fundamental nature of the universe
Creating true quantum randomness – which is distinct from quantum chaos, and can be a useful resource in quantum technologies…
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