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Scientists Aim to Detect Unruh Effect in Superconductors

9/26/2025

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Summary

Story summary

Researchers at Hiroshima University propose detecting the Unruh effect via circular motion of fluxon-antifluxon pairs in superconducting circuits, seeking detectable Unruh temperatures.
The Unruh effect states that accelerated observers perceive vacuum fluctuations as real particles; detecting it requires accelerations around 10^20 m/s^2.
The JUNO detector in China begins measurements in late 2025 to aid this search.

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Story summary

Researchers at Hiroshima University propose detecting the Unruh effect via circular motion of fluxon-antifluxon pairs in superconducting circuits, seeking detectable Unruh temperatures.
The Unruh effect states that accelerated observers perceive vacuum fluctuations as real particles; detecting it requires accelerations around 10^20 m/s^2.
The JUNO detector in China begins measurements in late 2025 to aid this search.