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New material can be used to better implement quantum computer qubits

Press Release

The goal of one day realizing truly efficient quantum computers is getting closer and closer, and step by step discoveries are made about the materials that need to be used to build such a computer.

A research group at Johns Hopkins University has discovered that a certain superconducting material has “special” properties, as Yufan Li, a researcher at Johns Hopkins’ Institute of Physics and Astronomy and author of a study published in Science, found.

Quantum computers are based on the Qubit. As Chia-Ling Chien, professor of physics and another author of the study, explains: “A more realistic and tangible implementation of the qubit can be a ring made of superconducting material called a flow qubit, in which two states with currents can exist simultaneously, clockwise and counterclockwise current.”

Researchers have found that such a ring already exists in the ideal state and is as efficient as Li explains: “A ring of β-Bi2Pd already exists in the ideal state and requires no additional modification to function. It could be a turning point.”

The press release is on the Johns Hopkins website (first link below).

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Janice Walker