Journal
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Volume 65, Issue 11, Pages -Publisher
SCIENCE PRESS
DOI: 10.1007/s11433-022-1952-3
Keywords
phonon transport; coherence; topological phonon; high-order phonon interaction; 63; 20; Kr; 63; 20; Ls; 63; 22; +m; 63; 20; -e; 66; 70; +f
Categories
Funding
- National Natural Science Foundation of China [11890703, 12075168]
- Science and Technology Commission of Shanghai Municipality [19ZR1478600, 21JC1405600]
- Fundamental Research Funds for the Central Universities [22120220060]
- RIE2020 Advanced Manufacturing and Engineering (AME) Programmatic [A1898b0043]
- Singapore Aerospace Programme Cycle 15 [M2115a0092]
- Singapore Ministry of Education AcRF Tier 2 [T2EP50220-0026]
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This review article presents the recent advances in emerging phonon phenomena, including the wave nature and particle nature of phonons. The article summarizes the effects of phonon coherence on thermal conductivity and the topological properties of phonons, as well as the weak coupling and high-order anharmonicity of phonons. Additionally, the article provides a brief outlook for future research directions.
Recently, emerging phonon phenomena have been discovered and rapidly developed, which have become an active hot research topic. In this review article, we present state-of-the-art advances in several fascinating phonon transport phenomena. First, we summarize the recent progress on the wave nature of phonons, including phonon coherence and its effects on thermal conductivity and the topological properties of phonons. Then, we discuss the particle nature of phonons, including the weak coupling of phonons and the high-order phonon anharmonicity. Finally, we present the summary and a brief outlook. This review presents the advanced understanding of some emerging phonon phenomena in solid materials, which provides new opportunities for further advancement in a wide variety of applications.
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