Stability in Asymmetry By breaking the symmetry of their environment, scientists demonstrate a new technique for extending the length of time qubits can retain information. What happened Scientists have shown that by changing the surrounding crystal's structure to be less symmetric, they may prol
. Q-NEXT, a DOE National Quantum Information Science Research Center run by Argonne, helped fund the research.A qubit is the fundamental unit of quantum information, the quantum analog of a traditional computing bit.
Qubits come in different types, one of which is a lab-engineered molecule. Molecular qubits are modular, meaning they can be moved from one environment and placed in another with ease. By contrast, other types of qubits, such as those made of semiconductors, are highly wedded to their environment.: Longer coherence times make for more useful qubits in applications such as computing, long-distance communication, and sensing in areas such as medicine, navigation, and astronomy.
“We’ve created a new handle for modifying coherence properties in molecular systems,” Freedman said. “This newfound ability to chemically control the host environment opens up new space for targeted applications of molecular qubits.”
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