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arxiv: cond-mat/9802054 · v1 · submitted 1998-02-04 · ❄️ cond-mat.stat-mech · physics.comp-ph

Dynamical simulation of current fluctuations in a dissipative two-state system

classification ❄️ cond-mat.stat-mech physics.comp-ph
keywords dynamicscurrentdissipativefluctuationssimulationsystemtwo-statebeen
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Current fluctuations in a dissipative two-state system have been studied using a novel quantum dynamics simulation method. After a transformation of the path integrals, the tunneling dynamics is computed by deterministic integration over the real-time paths under the influence of colored noise. The nature of the transition from coherent to incoherent dynamics at low temperatures is re-examined.

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