Lumen degradation modeling of white-light LEDs in step stress accelerated degradation test

J Huang, DS Golubović, S Koh, D Yang, X Li… - Reliability Engineering & …, 2016 - Elsevier
In this paper, lumen degradation is described by using a modified Brownian motion process
for mid-power white-light LED packages, which were aged under step stress accelerated …

How adaptation currents change threshold, gain, and variability of neuronal spiking

J Ladenbauer, M Augustin… - Journal of …, 2014 - journals.physiology.org
Many types of neurons exhibit spike rate adaptation, mediated by intrinsic slow K+ currents,
which effectively inhibit neuronal responses. How these adaptation currents change the …

Brownian motion in time-dependent logarithmic potential: exact results for dynamics and first-passage properties

A Ryabov, E Berestneva, V Holubec - The Journal of chemical physics, 2015 - pubs.aip.org
The paper addresses Brownian motion in the logarithmic potential with time-dependent
strength, U (x, t)= g (t) log (x), subject to the absorbing boundary at the origin of coordinates …

Onset of negative interspike interval correlations in adapting neurons

E Urdapilleta - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
Negative serial correlations in single spike trains are an effective method to reduce the
variability of spike counts. One of the factors contributing to the development of negative …

Thermally induced passage and current of particles in a highly unstable optical potential

A Ryabov, P Zemánek, R Filip - Physical Review E, 2016 - APS
We discuss the statistics of first-passage times of a Brownian particle moving in a highly
unstable nonlinear potential proportional to an odd power of position. We observe …

Noise-induced interspike interval correlations and spike train regularization in spike-triggered adapting neurons

E Urdapilleta - Europhysics Letters, 2016 - iopscience.iop.org
Spike generation in neurons produces a temporal point process, whose statistics is
governed by intrinsic phenomena and the external incoming inputs to be coded. In …

DNA breathing dynamics under periodic forcing: Study of several distribution functions of relevant Brownian functionals

A Dubey, M Bandyopadhyay - Physical Review E, 2019 - APS
In this paper, we study DNA breathing dynamics in the presence of an external periodic
force by proposing and inspecting several probability distribution functions (PDFs) of …

Series solution to the first-passage-time problem of a Brownian motion with an exponential time-dependent drift

E Urdapilleta - Journal of Physics A: Mathematical and …, 2012 - iopscience.iop.org
We derive the first-passage-time statistics of a Brownian motion driven by an exponential
time-dependent drift up to a threshold. This process corresponds to the signal integration in …

Study of Brownian functionals for a Brownian process model of snow melt dynamics with purely time dependent drift and diffusion

A Dubey, M Bandyopadhyay - The European Physical Journal B, 2018 - Springer
In this paper, we investigate a Brownian motion (BM) with purely time dependent drift and
diffusion by suggesting and examining several Brownian functionals, which characterize the …

Event-triggered feedback in noise-driven phase oscillators

JA Kromer, B Lindner, L Schimansky-Geier - Physical Review E, 2014 - APS
Using a stochastic nonlinear phase oscillator model, we study the effect of event-triggered
feedback on the statistics of interevent intervals. Events are associated with the entering of a …