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arXiv · 2205.05226

Experimental Observation of a Self-Heating Effect of Helium-4 Superflow

Yongle Yu·Hailin Luo
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Abstract

We report a counter-intuitive self-heating effect of helium-4 superflow. This fundamentally unusual heating effect bears a phenomenological resemblance to the Peltier effect of electric current across two different conductors. It reveals that helium-4 superflow carries thermal energy and entropy, which is in contrast to the two-fluid model of superfluid helium-4. A natural understanding of this heating effect is provided by a recently developed microscopic quantum theory of superfluid helium-4.

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Yongle Yu, Hailin Luo. 2022-05-11. Experimental Observation of a Self-Heating Effect of Helium-4 Superflow. https://arxiv.org/abs/2205.05226

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