Possible evidence of an anomalous enhancement in thermal conductivity due to magnon conductivity
โ Scribed by H. Weinstock
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 141 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0375-9601
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๐ SIMILAR VOLUMES
It is shown that the low lying excitations of glasses, the so called two level systems (TLS), being in a virtual state induoe indirect phonon-phonon interactions of a coherent type. These indirect 3-phonon interactions are resDonsible for the Dlateau in temDerature deDendence of thermal conductivity
Lattice thermal conductivity in silicon quantum wires is theoretically investigated. The bulk of heat in silicon structures is carried by acoustic phonons within a small region in the first Brillouin zone. Our formalism rigorously takes into account modification of these acoustic phonon modes and ph