Fluctuation bounds on charge and heat diffusion

Fluctuation bounds on charge and heat diffusion

We study thermal fluctuation corrections to charge and heat conductivity in systems with locally conserved energy and charge, but without locally conserved momentum. Thermal fluctuations may naturally lead to a lower bound on diffusion constants for thermoelectric transport, and need to be taken int...

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Veröffentlicht in:Journal of physics. A, Mathematical and theoretical Mathematical and theoretical, 2015-07, Vol.48 (26), p.265002-9
1. Verfasser: Kovtun, Pavel
Format: Artikel
Sprache:eng
Schlagworte:
Charge
Constants
Diffusion
Fluctuation
hydrodynamic fluctuations
Mathematical analysis
Thermal conductivity
thermoelectric transport
Thermoelectricity
Transport
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Beschreibung
Zusammenfassung:We study thermal fluctuation corrections to charge and heat conductivity in systems with locally conserved energy and charge, but without locally conserved momentum. Thermal fluctuations may naturally lead to a lower bound on diffusion constants for thermoelectric transport, and need to be taken into account when discussing potential bounds on transport coefficients.
ISSN:1751-8113
1751-8121
DOI:10.1088/1751-8113/48/26/265002