Thermal resistance network model for thermal conductivity of normal liquid helium-4 and helium-3

被引：2

作者：

Huang, Dan ^{[1
]}

Zhong, Jinxing ^{[2
]}

Raza, Saqlain ^{[3
]}

Niu, Ran ^{[4
]}

Fu, Baishan ^{[4
]}

Yu, Dapeng ^{[4
]}

Nakayama, Tsuneyoshi ^{[5
]}

Liu, Jun ^{[3
]}

Zhou, Jun ^{[1
]}

机构：

[1] Nanjing Normal Univ, Inst Phys Frontiers & Interdisciplinary Sci, Phonon Engn Res Ctr Jiangsu Prov, Ctr Quantum Transport & Thermal Energy Sci, Nanjing 210023, Peoples R China

[2] Tongji Univ, Ctr Phonon & Thermal Energy Sci, Sch Phys Sci & Engn, China EU Joint Lab Nanophonon, Shanghai 200092, Peoples R China

[3] North Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, NC 27695 USA

[4] Southern Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Peoples R China

[5] Hokkaido Univ, Sapporo, Hokkaido 0600826, Japan

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2023年 / 35卷 / 41期

关键词：

liquid helium; random walk; thermal conductivity; VAPOR-PRESSURE; PERCOLATION; HE-4-I;

D O I：

10.1088/1361-648X/ace412

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Liquid heliums are intriguing substance. Superfluid states below certain critical temperatures, notably liquid helium-4 and helium-3 exhibit ultra-high thermal conductivity ( TC) in the superfluid phase. However, the microscopic origin of the TC of liquid heliums in the normal phase remains unclear. In this work, we employ the thermal resistance network model to calculate the thermal conductivities of normal liquid helium-4 (He I) and helium-3. Predicted values are not only in good agreement with the measurements but also reproduce the experimental trend of TC increasing with temperature and pressure.

引用

页数：6

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