Researchers at Tsinghua University broke the previous record of a quantum simulator consisting of 61 ions by developing a system with 512 ions.
A research team led by Duan Luming at the Institute for Interdisciplinary Information Sciences at Tsinghua University in China has built the world’s most powerful ion-based quantum computing system, the South China Morning Post reported. The research achievement paves the way for scalable quantum computers in the future.
Unlike the classical bits in silicon-based computers, which can either be in an ‘on’ state or ‘off’ state, qubits can be both on and off simultaneously while occupying a range of states in between them, also known as superposition. This allows quantum algorithms to process information in aIons or charged particles can be suspended using electromagnetic fields and used as qubits in a quantum system.
In such a system, researchers use a one-dimensional ion crystal that binds the ions in a lattice structure within, hence the name trapped-ion system. The approach is quite popular among quantum physicists, who have achieved simulation with 61 ions so far.
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