Quantum Zeno Effect Could Freeze Computations as Qubit Systems Scale Up
4 Articles
4 Articles
Quantum Zeno effect could freeze computations as qubit systems scale up
The promise of quantum computing is to solve complex problems faster and more energy-efficiently than today's supercomputers—from optimizing logistics to simulating molecules. This goal is coming within reach as the number of qubits—the computational units of quantum computing—increases.
A Junior Professor at Grenoble Alpes University, physicist Boris Brun-Barrière explores how heat, the enemy of spin qubits, can also become an unexpected ally in the quantum computing race. Boris Brun-Barrière Electronic pHotonic Laboratory and Quantum EngineeringS (PHELIQS – UGA/CEA/Associated Guardian Grenoble INP - UGA) Junior Professor Chair For decades, our computers have progressed by making ever more transistors on a chip. But this race h…
When quantum computers freeze: How even minor, yet frequent, disruptions can cause quantum computing to fail - Helmholtz-Zentrum Dresden-Rossendorf, HZDR
The promise of quantum computing is to solve complex problems faster and more energy-efficiently than today’s supercomputers – from optimizing logistics processes to simulating molecules. This goal is coming within reach as the number of qubits – the computational units of quantum computing – increases. But in addition to technological challenges of scaling, there is another, less-considered issue: In the New Journal of Physics (DOI: 10.1088/1367-2630/ae6e68), researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) demonstrate that in extreme cases, the so-called quantum Zeno effect can nearly halt computational processes as the number of qubits increases – a dreaded phenomenon comparable to a traditional computer “freezing”.
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