互相关噪声过程的微观实现
Microscopic realization of cross-correlated noise processes
摘要：
我们提出了一个微观理论的互相关噪声过程，从一个哈密顿系统水库的描述。在所提出的模型中，系统是非线性耦合到谐振子组成的水库，这反过来又是由外部波动力驱动。我们表明，从复合系统（系统+水库+外部调制）得到的Langevin方程包含互相关噪声过程的基本特征。
英文摘要：
We present a microscopic theory of cross-correlated noise processes, starting from a Hamiltonian system-reservoir description. In the proposed model, the system is nonlinearly coupled to a reservoir composed of harmonic oscillators, which in turn is driven by an external fluctuating force. We show that the resultant Langevin equation derived from the composite system (system+reservoir+external modulation) contains the essential features of cross-correlated noise processes.
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