GoKawiilSurrey researchers propose superfluid helium qubit design, claim 100x lower error rate
Physicists at the University of Surrey have designed a new type of qubit, the Superfluid Helium Oscillator Quantum (SHOQ) device, built from superfluid helium-3 rather than superconducting circuits. Published in npj Quantum Information, the team's calculations suggest the charge-neutral design could cut error rates roughly 100-fold compared with conventional superconducting qubits. Lead author Dr. Priya Sharma says it is the first reported qubit concept based on a superfluid.
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Error rates are one of the main barriers to building large, reliable quantum computers, so a design that is inherently less sensitive to electromagnetic noise could ease the path to scaling up qubit counts. The findings are currently theoretical, so the predicted 100x improvement would need experimental validation before it could influence real hardware. If replicated, it could offer an alternative architecture competing with superconducting approaches used by companies like IBM and Google.
- Surrey's SHOQ qubit uses superfluid helium-3 instead of superconducting circuits
- Calculations suggest error rates up to 100 times lower than current qubits
- The design remains theoretical and published only as a research proposal so far
Source: sciencedaily.com, 2026-10-01
Published there as: “This new qubit could be 100 times less error-prone in superfluid quantum computer breakthrough”
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