Microscopic realization of cross-correlated noise processes

Details Microscopic realization of cross-correlated noise processes Microscopic realization of cross-correlated noise processes

2010-05-31

arxiv.org/abs/1005.5583v1

Chaos 20 (2010) 023130

Physics

Condensed Matter

Statistical Mechanics

5 pages

Scientific paper

10.1063/1.3454590

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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