非流体动力学初始条件不会很快被遗忘
Non-Hydrodynamic Initial Conditions are Not Soon Forgotten
摘要：
流体动力学方程的解，这是用于各种各样的物理问题，被假定为指定的边界条件和初始条件的流体动力学变量。其他变量的初始值被假定为与流体动力学描述无关。这种假设是不正确的，因为存在的长时间尾巴的影响，是普遍存在的系统由流体动力学方程。我们说明这种故障的流体动力学描述的简单的例子，在一个无序的电子系统中的扩散。
英文摘要：
Solutions to hydrodynamic equations, which are used for a vast variety of physical problems, are assumed to be specified by boundary conditions and initial conditions on the hydrodynamic variables only. Initial values of other variables are assumed to be irrelevant for a hydrodynamic description. This assumption is not correct because of the existence of long-time-tail effects that are ubiquitous in systems governed by hydrodynamic equations. We illustrate this breakdown of a hydrodynamic description by means of the simple example of diffusion in a disordered electron system.
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