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arXiv 1407.0690cond-mat.stat-mechhep-th
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电荷和热扩散的涨落边界

Fluctuation bounds on charge and heat diffusion

Pavel Kovtun

摘要:

研究了具有局部能量和电荷守恒,但不具有局部动量守恒的系统中电荷和热导率的热涨落修正。热波动可能会自然地导致热电传输的扩散常数的下限,并需要考虑在讨论传输系数的潜在界限。

英文摘要:

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.

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