Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Theodorsen, Audun"'
Parker Solar Probe (PSP) counts dust impacts in the near-solar region, but modelling effort is needed to understand the dust population's properties. We aim to constrain the dust cloud's properties based on the flux observed by PSP. We develop a forw
Externí odkaz:
http://arxiv.org/abs/2408.05031
We investigate the climatic effects of volcanic eruptions spanning from Mt.\ Pinatubo-sized events to super-volcanoes. The study is based on ensemble simulations in the Community Earth System Model Version 2 (CESM2) climate model using the Whole Atmo
Externí odkaz:
http://arxiv.org/abs/2404.01675
Autor:
Ahmed, Sajidah, Garcia, Odd Erik, Kuang, Adam Q, LaBombard, Brian, Terry, James L, Theodorsen, Audun
Intermittent plasma fluctuations in the boundary region of the Alcator C-Mod device were comprehensively investigated using data time-series from gas puff imaging and mirror Langmuir probe diagnostics. Fluctuations were sampled during stationary plas
Externí odkaz:
http://arxiv.org/abs/2304.06785
Autor:
Kočiščák, Samuel, Kvammen, Andreas, Mann, Ingrid, Sørbye, Sigrunn Holbek, Theodorsen, Audun, Zaslavsky, Arnaud
Solar Orbiter provides dust detection capability in inner heliosphere, but estimating physical properties of detected dust from the collected data is far from straightforward. First, a physical model for dust collection considering a Poisson process
Externí odkaz:
http://arxiv.org/abs/2210.03562
An exponential frequency power spectral density is a well known property of many continuous time chaotic systems and has been attributed to the presence of Lorentzian-shaped pulses in the time series of the dynamical variables. Here a stochastic mode
Externí odkaz:
http://arxiv.org/abs/2106.15904
Intermittent fluctuations in the boundary of magnetically confined plasmas are investigated by numerical turbulence simulations of a reduced fluid model describing the evolution of the plasma density and electric drift vorticity in the two-dimensiona
Externí odkaz:
http://arxiv.org/abs/2102.04723
Autor:
Theodorsen, Audun
In this contribution, we investigate the scaling of the distribution of the shot noise process, its power spectral density and its time above threshold.
Comment: 6 pages
Comment: 6 pages
Externí odkaz:
http://arxiv.org/abs/1906.09326
Fluctuations in a vast range of physical systems can be described as a superposition of uncorrelated pulses with a fixed shape, a process commonly referred to as a (generalized) shot noise or a filtered Poisson process. In this contribution, we prese
Externí odkaz:
http://arxiv.org/abs/1811.11033
Akademický článek
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Autor:
Theodorsen, Audun, Garcia, Odd Erik
Publikováno v:
A. Theodorsen and O. E. Garcia, Plasma Physics and Controlled Fusion 60 (2018) 034006
A stochastic model for intermittent fluctuations in the scrape-off layer of magnetically confined plasmas has been constructed based on a super-position of uncorrelated pulses arriving according to a Poisson process. In the most common applications o
Externí odkaz:
http://arxiv.org/abs/1805.01262