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Titolo:
Vibrational energy transfer and heat conduction in a one-dimensional glass- art. no. 094201
Autore:
Leitner, DM;
Indirizzi:
Univ Nevada, Dept Chem, Reno, NV 89557 USA Univ Nevada Reno NV USA 89557Univ Nevada, Dept Chem, Reno, NV 89557 USA Univ Nevada, Chem Phys Program, Reno, NV 89557 USA Univ Nevada Reno NV USA 89557 vada, Chem Phys Program, Reno, NV 89557 USA
Titolo Testata:
PHYSICAL REVIEW B
fascicolo: 9, volume: 6409, anno: 2001,
pagine: 4201 -
SICI:
0163-1829(20010901)6409:9<4201:VETAHC>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMAL-CONDUCTIVITY; AMORPHOUS MATERIALS; QUANTUM; TRANSPORT; EXCITATIONS; SYSTEMS; PLATEAU; CHAIN; MODES; FLOW;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Leitner, DM Univ Nevada, Dept Chem, Reno, NV 89557 USA Univ Nevada Reno NV USA 89557 , Dept Chem, Reno, NV 89557 USA
Citazione:
D.M. Leitner, "Vibrational energy transfer and heat conduction in a one-dimensional glass- art. no. 094201", PHYS REV B, 6409(9), 2001, pp. 4201

Abstract

The mechanisms for vibrational energy transport through an anharmonic one-dimensional glass are examined. The rate of vibrational energy transfer from normal modes of the disordered chain is estimated for extended and localized modes. Anharmonicity transfers energy from localized modes of the harmonic chain to spatially overlapping localized modes at a far greater rate than it transfers energy to extended modes, processes that had been suggestedto occur at comparable rates, The role of diffusion of localized mode excitations (locons) in the thermal conductivity of the one-dimensional glass is discussed.

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Documento generato il 28/09/20 alle ore 18:39:58