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Articles by Lukas Ebner
Magic Barrier before Thermalization
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Bayern Dunkelziffer bei Übergriffen: Warum junge Schiris Paten brauchen
Stand: 08.06.2026 • 13:36 Uhr Beleidigungen, Drohungen, Druck von der Seitenlinie: Viele Vorfälle gegen Schiedsrichter tauchen in keiner Statistik auf. Damit junge Schiris trotzdem dabeibleiben, begleiten erfahrenere Paten ihre ersten Spiele – so wie Christian Frohna in Planegg. Nieselregen in Planegg, südwestlich von München. Christian Frohna steht hochkonzentriert an der Seitenlinie des Fußballplatzes. Der 29-Jährige, groß gewachsen und sportlich, trägt seine offizielle DFB-Ausrüstung.
Entanglement properties of SU(2) gauge theory - Communications Physics
Abstract Understanding how isolated quantum systems thermalize is central to both fundamental physics and the development of quantum technologies. In this Perspective, we present recent and new results on thermalization in nonabelian gauge theory from exact real-time simulations of two-dimensional lattice models.
Batteriespeicher im Aufwind - Trends, Herausforderungen und neue Standards
Die Bedeutung von Großbatteriespeichern (BESS) für die Energiewende ist unbestritten – sie gelten als eine wesentliche Schlüsseltechnologie für ein stabiles und flexibles Stromsystem. Jüngste Extrempreisspitzen und Herausforderungen bei der Stromversorgung haben gezeigt, dass ein flexibles Stromsystem essenziell für eine stabile und kosteneffiziente Versorgungssicherheit ist.
Impact of artificial intelligence assistance on pulmonary nodule detection and localization in chest CT: a comparative study among radiologists of varying experience levels | Scientific Reports
Abstract The study aimed to evaluate the impact of AI assistance on pulmonary nodule detection rates among radiology residents and senior radiologists, along with assessing the effectiveness of two different commercialy available AI software systems in improving detection rates and LungRADS classification in chest CT. The study cohort included 198 participants with 221 pulmonary nodules.
Entanglement entropy of ($2+1$)-dimensional SU(2) lattice gauge theory on plaquette chains
We study the entanglement entropy of Hamiltonian SU(2) lattice gauge theory in 2+1 dimensions on linear plaquette chains and show that the entanglement entropies of both ground and excited states follow Page curves. The transition of the subsystem size dependence of the entanglement entropy from the area law for the ground state to the volume law for highly excited states is found to be described by a universal crossover function.
Eigenstate thermalization in ($2+1$)-dimensional SU(2) lattice gauge theory
We present preliminary numerical evidence for the hypothesis that the Hamiltonian SU(2) gauge theory discretized on a lattice obeys the eigenstate thermalization hypothesis (ETH).
Pulmonary function and radiological features 4 months after COVID-19: first results from the national prospective observational Swiss COVID-19 lung study
Sabina A. Guler, Lukas Ebner, Catherine Aubry-Beigelman, Pierre-Olivier Bridevaux, Martin Brutsche, Christian Clarenbach, Christian Garzoni, Thomas K. Geiser, Alexandra Lenoir, Marco Mancinetti, Bruno Naccini, Sebastian R. Ott, Lise Piquilloud, Maura Prella, Yok-Ai Que, Paula M.
Pulmonary function and radiological features four months after COVID-19: first results from the national prospective observational Swiss COVID-19 lung study
Sabina A. Guler, Lukas Ebner, Catherine Beigelman, Pierre-Olivier Bridevaux, Martin Brutsche, Christian Clarenbach, Christian Garzoni, Thomas K. Geiser, Alexandra Lenoir, Marco Mancinetti, Bruno Naccini, Sebastian R. Ott, Lise Piquilloud, Maura Prella, Yok-Ai Que, Paula M.
Kerley B lines in the lung apex - a distinct CT sign for pulmonary congestion
Loebelenz Laura I., Ebner Lukas, Obmann Verena C., Huber Adrian T., Christe Andreas a Department of Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Switzerland b Department of Diagnostic, Interventional and Paediatric Radiology, Inselgroup, Radiology Division SLS, University of Bern, Switzerland Summary AIMS OF THE STUDY The purpose of this study was to establish a new computed tomography (CT) sign for pulmonary congestion...
Yb fiber based laser source for tunable, narrow bandwidth picosecond pulses in the visible
Abstract We present a simple Yb fiber pumped source for narrow bandwidth picosecond pulses which are tunable in the visible spectral region. This emission is obtained by frequency doubling of a soliton generated in a photonic crystal fiber. The system is attractive for different types of nonlinear optical microscopy and can easily be adapted to meet different experimental prerequisites. As an example, we demonstrate coherent anti-Stokes Raman scattering microscopy using the laser source described.
Computed tomography imaging for the characterisation of drugs with radiation density measurements and HU spectroscopy
Radiologists routinely encounter various radiopaque structures within the gastrointestinal tract, including pills or foreign bodies [1, 2]. The first medications to have their radiopaque characteristics identified were iron preparations, which were studied in vivo and in vitro with standard radiography in the era before the invention of computed tomography [3]. Various radiodensities were found for different pills on conventional radiographs.
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