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Kinetic Theory of Electronic Transport in Random Magnetic Fields
Physical Review Letters ( IF 8.1 ) Pub Date : 2018-03-16 00:00:00 , DOI: 10.1103/physrevlett.120.116603
Andrew Lucas

We present the theory of quasiparticle transport in perturbatively small inhomogeneous magnetic fields across the ballistic-to-hydrodynamic crossover. In the hydrodynamic limit, the resistivity

ρ

generically grows proportionally to the rate of momentum-conserving electron-electron collisions at large enough temperatures

T

. In particular, the resulting flow of electrons provides a simple scenario where viscous effects suppress conductance below the ballistic value. This new mechanism for

ρT2

resistivity in a Fermi liquid may describe low

T

transport in single-band

SrTiO3

.



中文翻译:

随机磁场中电子传输的动力学理论

我们提出了在穿过弹道-流体动力交换的扰动小的不均匀磁场中的准粒子传输的理论。在水动力极限内,电阻率

ρ

通常在足够大的温度下,与动量守恒电子-电子碰撞的速率成比例地增长

Ť

。特别是,所得的电子流提供了一种简单的方案,在该方案中,粘滞效应将电导抑制在弹道值以下。这种新的机制

ρŤ2个

费米液体中的电阻率可能较低

Ť

单频传输

钛酸锶3

更新日期:2018-03-16
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