Stochastic action for tubes: Connecting path probabilities to measurement

@inproceedings{Kappler2020StochasticAF,
  title={Stochastic action for tubes: Connecting path probabilities to measurement},
  author={Julian Kappler and R. Adhikari},
  year={2020}
}
  • Julian Kappler, R. Adhikari
  • Published 2020
  • Physics
  • The trajectories of diffusion processes are continuous but non-differentiable, and each occurs with vanishing probability. This introduces a gap between theory, where path probabilities are used in many contexts, and experiment, where only events with non-zero probability are measurable. Here we bridge this gap by considering the probability of diffusive trajectories to remain within a tube of small but finite radius around a smooth path. This probability can be measured in experiment, via the… CONTINUE READING

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