Zobrazeno 1 - 10
of 616
pro vyhledávání: '"Räsänen, E"'
Publikováno v:
Comp. Phys. Commun.270, 108141 (2022)
Quantum transport has far-reaching applications in modern electronics as it enables the control of currents in nanoscale systems such as quantum dots. In this paper we introduce tinie: a state-of-the-art quantum transport simulation framework, which
Externí odkaz:
http://arxiv.org/abs/2006.15951
Publikováno v:
Phys. Rev. Lett. 123, 214101 (2019)
A quantum scar - an enhancement of a quantum probability density in the vicinity of a classical periodic orbit - is a fundamental phenomenon connecting quantum and classical mechanics. Here we demonstrate that some of the eigenstates of the perturbed
Externí odkaz:
http://arxiv.org/abs/1911.09729
Autor:
Räsänen, E. (Emmiina)
Tämän pro gradu -tutkielman tarkoituksena oli tarkastella, onko resonaattoriputkiharjoituksella välittömiä vaikutuksia äänioireista kärsivien opettajien ja opettajaopiskelijoiden ääneen. Tarkoituksena oli tarkastella välittömiä vaikutuks
Externí odkaz:
http://urn.fi/URN:NBN:fi:oulu-201610062898
Publikováno v:
Eur. Phys. J. Special Topics 228, 143-160 (2019)
The periodic Lorentz gas is a paradigmatic model to examine how macroscopic transport emerges from microscopic chaos. It consists of a triangular lattice of circular hard scatterers with a moving point particle. Recently this system became relevant a
Externí odkaz:
http://arxiv.org/abs/1811.11661
Publikováno v:
Phys. Rev. Lett. 122, 064102 (2019)
Motivated by electronic transport in graphene-like structures, we study the diffusion of a classical point particle in Fermi potentials situated on a triangular lattice. We call this system a soft Lorentz gas, as the hard disks in the conventional pe
Externí odkaz:
http://arxiv.org/abs/1811.06976
Publikováno v:
J. Phys.: Condens. Matter 31, 105301 (2019)
The suppression of chaos in quantum reality is evident in quantum scars, i.e., in enhanced probability densities along classical periodic orbits, providing opportunities in controlling quantum transport in nanoscale quantum systems. Here, we focus on
Externí odkaz:
http://arxiv.org/abs/1806.02598
Publikováno v:
Phys. Rev. B 96, 094204 (2017)
Quantum scars are enhancements of quantum probability density along classical periodic orbits. We study the recently discovered phenomenon of strong, perturbation-induced quantum scarring in the two-dimensional harmonic oscillator exposed to a homoge
Externí odkaz:
http://arxiv.org/abs/1710.00585
Publikováno v:
Comput. Stat. 31 545 (2016)
The ensemble empirical mode decomposition (EEMD) and its complete variant (CEEMDAN) are adaptive, noise-assisted data analysis methods that improve on the ordinary empirical mode decomposition (EMD). All these methods decompose possibly nonlinear and
Externí odkaz:
http://arxiv.org/abs/1707.00487
Publikováno v:
In Computer Physics Communications January 2022 270
Autor:
Shvetsov-Shilovski, N. I., Lein, M., Madsen, L. B., Räsänen, E., Lemell, C., Burgdörfer, J., Arbó, D. G., Tőkési, K.
We present a semiclassical two-step model for strong-field ionization that accounts for path interferences of tunnel-ionized electrons in the ionic potential beyond perturbation theory. Within the framework of a classical trajectory Monte-Carlo repre
Externí odkaz:
http://arxiv.org/abs/1604.05123