Dynamical simulation of current fluctuations in a dissipative two-state system
arXiv:cond-mat/9802054 · doi:10.1103/PhysRevLett.80.2657
Abstract
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.
4 pages, 4 figures; to appear in Phys. Rev. Letters
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