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Time parameters and Lorentz transformations of relativistic stochastic processes
Jörn Dunkel, Peter Hänggi, Stefan Weber
Rules for the transformation of time parameters in relativistic Langevin equations are derived and discussed. In particular, it is shown that, if a coordinate-time parameterized pr…
Universal fluctuations in subdiffusive transport
I. M. Sokolov, E. Heinsalu, P. Hanggi +1
Subdiffusive transport in tilted washboard potentials is studied within the fractional Fokker-Planck equation approach, using the associated continuous time random walk (CTRW) fram…
Noise-assisted spike propagation in myelinated neurons
Anna Ochab-Marcinek, Gerhard Schmid, Igor Goychuk +1
We consider noise-assisted spike propagation in myelinated axons within a multi-compartment stochastic Hodgkin-Huxley model. The noise originates from a finite number of ion channe…
Specific heat anomalies of open quantum systems
Gert-Ludwig Ingold, Peter Hänggi, Peter Talkner
The evaluation of the specific heat of an open, damped quantum system is a subtle issue. One possible route is based on the thermodynamic partition function which is the ratio of t…
Steering Bose-Einstein condensates despite time symmetry
Dario Poletti, Giuliano Benenti, Giulio Casati +2
A Bose-Einstein condensate in an oscillating spatially asymmetric potential is shown to exhibit a directed current for unbiased initial conditions despite time symmetry. This pheno…
Parameters of the fractional Fokker-Planck equation
S. I. Denisov, Peter Hänggi, Holger Kantz
We study the connection between the parameters of the fractional Fokker-Planck equation, which is associated with the overdamped Langevin equation driven by noise with heavy-tailed…