A little bit more than magic: The secret to quantum computing may lie in negativity
Quantum computers hold great promise for applications from drug discovery to cybersecurity.
Quantum computers hold great promise for applications from drug discovery to cybersecurity.
The short version
- Yet figuring out what would give quantum computers their edge over everyday "classical" computers is a subtle problem.
- A new theoretical study led by researchers at the Cavendish Laboratory shows that quantum computers are harder to make powerful than previously assumed while offering the clearest picture yet of what actually makes them work.
- This article has been reviewed according to Science X's editorial process and policies .
What happened
Editors have highlighted the following attributes while ensuring the content's credibility: Quantum computers hold great promise for applications from drug discovery to cybersecurity. The research, published in Physical Review Letters , helps identify the precise quantum states that are genuinely useful for quantum computation.
Why it matters
It also increases the set of quantum calculations known to be easy for classical computers, meaning quantum devices face a higher bar to demonstrate an advantage.
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