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๐Ÿ” carola doerr ๐Ÿ“‚ Physics
Showing 4526 results for "carola doerr" in Physics
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Computation of frequency- and time-domain Jacobians in optical tomography with Monte Carlo simulations

Pauliina Hirvi, Jaakko Olkkonen, Qianqian Fang, Ilkka Nissila ยท 2026

Significance: Jacobians, or spatially resolved sensitivity profiles, are central to image reconstruction in model-based optical tomography of biological tissue. Although Monte Carlo (MC) simulations aโ€ฆ

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Quarkonium $p_{\rm T}$ spectra in heavy--ion collisions at LHC energies within a hydrodynamic core--corona framework

Biswarup Paul ยท 2026

We present a systematic study of the transverse momentum ($p_{\rm T}$) spectra of charmonium (J/$\psi$, $\psi(2S)$) and bottomonium ($\Upsilon(nS)$) states in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = โ€ฆ

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Molecular Outflows in the Nucleus of the Nearby Compton-thick AGN NGC 3079

Ming-Yi Lin, Anne Medling, Richard Davies, Melanie Krips, Loreto Barcos-Munoz, Reinhard Genzel, Eduardo Gonzalez-Alfonso, Javier Gracia-Carpio, Dieter Lutz, Roberto Neri, Gilles Orban de Xivry, David Rosario, Allan Schnorr-Muller, Taro Shimizu, Amiel Sternberg, Eckhard Sturm, Linda Tacconi ยท 2026

We present Northern Extended Millimeter Array (NOEMA) observations of the CO (2-1) molecular gas kinematics in the nearby Compton-thick Seyfert 2 galaxy NGC 3079, with an angular resolution of 0.5" ($โ€ฆ

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GLoop: A Monte Carlo program to construct higher-loop integrals from lower-loop structures

Roberto Pittau ยท 2026

We present GLoop, a Fortran90 computational framework that allows one to compute by Monte Carlo a certain class of higher-loop integrals in terms of lower-loop building blocks. This is based on a receโ€ฆ

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Pair-Rich Corona of an Accreting Kerr Black Hole

Jonathan Zhang, Christopher Thompson ยท 2026

We build a self-consistent model of a warm scattering corona near an accreting black hole in Kerr geometry, in the regime of slow ($\sim 0.01$ Eddington) mass accretion. An iterative Monte Carlo proceโ€ฆ

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Absence of Quasi-Majorana False Positives in Full-Shell Hybrid Nanowires

Carlos Paya, Cesar Robles, Pablo San-Jose, Elsa Prada ยท 2026

Tunneling spectroscopy cannot be used as an unambiguous detection tool for Majorana zero modes (MZMs) in conventional partial-shell nanowires. The presence of smooth confinement at the end of the hybrโ€ฆ

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An axion framework for Particle-in-Cell codes with Monte-Carlo sampling: emission, absorption, and detailed balance in plasmas

Miles Radford, Ahmed Alsulami, Bertrand Martinez, Pablo Bilbao, Thomas Grismayer, Luis O. Silva, Robert Bingham, Gianluca Gregori ยท 2026

We present an extension of the OSIRIS particle-in-cell (PIC) code that introduces an axion macroparticle species and three axion-production channels commonly used in thermal-plasma axion phenomenologyโ€ฆ

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Fractals of Simple Random Walks in Two Dimensions: A Monte Carlo Study

Jiang Zhou, Ziru Deng, Pengcheng Hou ยท 2026

We present a Monte Carlo study of the fractal geometry of clusters formed by discrete-time simple random walks (sRW) of $L^2$ steps on a periodic square $L\times L$ lattice. We verify with high precisโ€ฆ

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Multi-Fidelity Monte-Carlo Estimation of Satellite Drag in Very-Low-Earth Orbit

Jovan Boskovic, Marcel Pfeifer, Andrea Beck ยท 2026

Very-low-Earth orbit drag uncertainty quantification in the rarefied/transitional Knudsen-number regime requires estimating not only the mean drag coefficient but also higher-order moments under atmosโ€ฆ

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Monte Carlo Study of the Phase Transition of the $XY$ Model on a Diamond Lattice

Sena Watanabe, Yukitoshi Motome, Haruki Watanabe ยท 2026

We study the phase transition of the classical $XY$ model on a diamond lattice by Monte Carlo simulations using the Wolff cluster algorithm. Finite-size scaling (FSS) analysis of the Binder cumulant aโ€ฆ

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Coulomb Potential in Podolsky-Carroll-Field-Jackiw Electrodynamics

D. S. Cabral, L. A. S. Evangelista, A. F. Santos ยท 2026

Podolsky electrodynamics, a higher-derivative extension of Maxwell's theory characterized by the Podolsky parameter $\lambda=1/m$, which modifies the photon dispersion relation and regularizes short-dโ€ฆ

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Carroll fermions, expansions and the lightcone

Arjun Bagchi, Saikat Mondal ยท 2026

We investigate fermions on Carrollian manifolds. We complement previous intrinsic analysis by deriving Carrollian fermion actions from a relativistic Dirac theory via a systematic expansion in the speโ€ฆ

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Statistical Signatures of Majorana Zero Modes in Disordered Topological Superconductor Antidot Vortices

Zhibo Ren, Jukka I. Vayrynen ยท 2026

An antidot-pinned vortex in a three-dimensional topological insulator-superconductor platform hosts a Majorana zero mode (MZM). However, numerous Caroli-de Gennes-Matricon (CdGM) states coexist with iโ€ฆ

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Time-resolved XRISM spectroscopy reveals the evolution and structure of the corona in MCG-6-30-15

D. R. Wilkins, L. W. Brenneman, A. Ogorzalek, A. C. Fabian, E. Behar, R. Boissay-Malaquin, J. A. Garcia, E. B. Hoffman, A. Juranova, D. Rogantini ยท 2026

We present a time-resolved analysis of high-resolution spectra of the AGN MCG-6-30-15 obtained by XRISM alongside broadband spectra from NuSTAR and XMM-Newton during a coordinated observing campaign iโ€ฆ

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SMC-AI: Scaling Monte Carlo Simulation to Four Trillion Atoms with AI Accelerators

Xianglin Liu, Kai Yang, Fanli Zhou, Yongxiang Liu, Hao Chen, Yijia Zhang, Dengdong Fan, Wenbo Li, Bingqiang Wang, Shixun Zhang, Pengxiang Xu, Yonghong Tian ยท 2026

The rapid advancement of deep learning is reshaping the hardware design landscape toward AI tasks, posing fundamental challenges for HPC workloads such as atomistic simulation. Here we present SMC-AI,โ€ฆ

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Excitation function for global \Lambda polarization in relativistic heavy ion collisions with the Core Corona model

Alejandro Ayala, Jose Jorge Medina Serna, Isabel Dominguez, Maria Elena Tejeda-Yeomans ยท 2026

We compute the excitation function of the global $\Lambda$ polarization in semicentral heavy-ion collisions within a Core--Corona framework, where the interaction region is described as a dense core aโ€ฆ

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Viscous Bending Mitigates the Spontaneous Meandering of Rivulets in Hele-Shaw Cells

Gregoire Le Lay, Adrian Daerr ยท 2026

We investigate the spontaneous meandering of slender rivulets in Hele-Shaw cells and identify the physical mechanism that selects the most unstable wavenumber, a quantity that has remained elusive eveโ€ฆ

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Monte Carlo Simulations of Suprathermal Enhancement in Advanced Nuclear Fusion Fuels

Marcus Borscz, Thomas A. Mehlhorn, Patrick A. Burr, Igor Morozov, Sergey Pikuz ยท 2026

Suprathermal fusion reactions, initiated by energetic particles slowing down and scattering in dense plasmas, can modify the burn dynamics at inertial confinement fusion (ICF) regimes. A 0D time-depenโ€ฆ

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The accretion-driven eruption of the recurrent nova T Corona Borealis

Raymundo Baptista, Wagner Schlindwein, Gerardo J. M. Luna ยท 2026

T Corona Borealis (T CrB) is a symbiotic recurrent nova with an $\simeq 80$ yr recurrence interval, the eruptions of which occur on top of a $\simeq 15$ yr long high-brightness state. We show that theโ€ฆ

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Stable Determinant Monte Carlo Simulations at Large Inverse Temperature $\beta$

Thomas Luu, Johann Ostmeyer, Petar Sinilkov, Finn L. Temmen ยท 2026

At low temperatures $T$ where $1/T=\beta\gg1$ the na\"ive implementation of determinant quantum Monte Carlo (DQMC) methods suffers from loss of precision and numerical instabilities when evaluating thโ€ฆ

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