Decoding Temperature and Reynolds Number Impact on Quantum Turbulence

Quick Summary

• The Proceedings of the National Academy of Sciences (PNAS), Volume 122, Issue 27, July 2025, discusses liquid helium-4 entering a superfluid state below temperatures of approximately 2.17 K.
• In this superfluid state, helium-4 exhibits properties of being both inviscid (having no viscosity) and a viscous fluid concurrently.
• The two components within this state interact through a mutual friction force mechanism.

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indian Opinion Analysis
The findings detailed in the PNAS study have notable scientific implications globally and may open avenues for advanced research across theoretical physics and condensed matter science, areas where India has an emerging presence. For indias scientific community, understanding superfluid states like liquid helium-4 can contribute to innovations in quantum mechanics applications or cryogenics-disciplines tied closely to aerospace technology and superconducting materials research.

Institutions such as IITs and IISc already engage in cutting-edge fundamental research in these fields; studies like this could perhaps inspire collaborations or deeper investigations into quantum phenomena that might drive technological advancements beneficial to India’s economy and global competitive edge.