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Volumn 80, Issue 1, 2009, Pages

Continuum and lattice heat currents for oscillator chains

Author keywords

[No Author keywords available]

Indexed keywords

CONSTANT PRESSURES; FINITE CHAINS; HEAT CONDUCTIVITY; HEAT CURRENTS; KUBO FORMULA; OSCILLATOR CHAINS;

EID: 68949083382     PISSN: 15393755     EISSN: 15502376     Source Type: Journal    
DOI: 10.1103/PhysRevE.80.011107     Document Type: Article
Times cited : (6)

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    • In a hydrodynamic description, the displacement of the particles from their lattice positions is a function of the density, which is a conserved quantity in the longitudinal interpretation; in the transverse interpretation it is a broken symmetry (even though there is no long-range order in the chain). Therefore in both interpretations, the displacement is associated with a hydrodynamic variable, though the cause is different.
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