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๐Ÿ” visar berisha ๐Ÿ“‚ Physics
Showing 207 results for "visar berisha" in Physics
Physics Preprint PDF DOI

Thermal background reduction for mid-infrared imaging by low-rank background and sparse point-source modelling

R.A.R. Moens, A.G.M. Pietrow, B. Brandl, R. Van de Plas ยท 2026

Mid-infrared astronomy from the ground faces critical challenges in accurately detecting and quantifying sources due to the dominant spatially and time-variable background noise. Moreover, chopping anโ€ฆ

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Physics Preprint PDF DOI

High Entropy Alloy under Shock Compression: Optical-Pump X-Ray-Probe

Hsin Hui Huang, Meguya Ryu, Shuji Kamegaki, Dominyka Stonyte, Tadas Malinauskas, Yoshiaki Nishijima, Rosalie Hocking, Nguyen Hoai An Le, Tomas Katkus, Haoran Mu, Soon Hock Ng, Samuel Pinches, Andrew S.M. Ang, Vygantas Mizeikis, Nadia Zatsepin, Kohei Miyanishi, Toshinori Yabuuchi, Hirotaka Nakamura, Alexis Amouretti, Norimasa Ozaki, Tommaso Vinci, Arturas Vailionis, Eugene G. Gamaly, Damien G. Hicks, Junko Morikawa, Saulius Juodkazis ยท 2026

High entropy alloys (HEAs) are multi-principal-element alloys designed for tailorable mechanical performance and have been attracting significant engineering interest, yet their fundamental behaviour โ€ฆ

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Physics Preprint PDF DOI

Wall slip effects on the fiber orientation of a short-fiber suspension in hyperbolic channel flow

Kostas D. Housiadas, Antony N. Beris, Suresh G. Advani ยท 2026

We investigate the effect of wall fluid slip on the orientation of non-Brownian, short, rigid, and high aspect ratio cylindrical fibers suspended in a Newtonian fluid in flow through a symmetric hyperโ€ฆ

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Physics Preprint PDF DOI

Shocks, Winds, and a Torus: The Large Binocular Telescope Interferometer (LBTI) Resolves the Active Nucleus of NGC 4151

Jacob W. Isbell, Steve Ertel, Makoto Kishimoto, Gerd Weigelt, Jorg-Uwe Pott, Jared Carlson, Qixiang Duan, Violeta Gamez Rosas, Walter Jaffe, James Leftley, Daniel May, Romain. G. Petrov, Jennifer Power, Helene Rousseau, Justin Rupert ยท 2026

We present mid-infrared (MIR) observations of the Seyfert 1 galaxy NGC 4151 using the Large Binocular Telescope Interferometer (LBTI). We took open-loop Fizeau images with 66-104 mas (5.8-9.1 pc) resoโ€ฆ

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Physics Preprint PDF DOI

One Attempt at Building an Inclusive & Accessible Hybrid Astronomy Conference: FRB 2025

Alice P. Curtin, Reshma Anna-Thomas, Amanda M. Cook, Carolina Cruz-Vinaccia, Jason Hessels, Robert Main, Ines Pastor Marazuela, Lauren Rhodes, Vishwangi Shah ยท 2026

The rapid expansion of the Fast Radio Burst (FRB) field has been accompanied by a simultaneous growth of FRB conferences. While these meetings are essential for interacting with other researchers and โ€ฆ

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Physics Preprint PDF DOI

Hydrodynamic liquid crystal models for lipid bilayers

Ingo Nitschke, Jan Magnus Sischka, Axel Voigt ยท 2025

Coarse-grained continuous descriptions for lipid bilayers are typically based on minimizing the Helfrich energy. Such models consider the fluid properties of these structures only implicitly and have โ€ฆ

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Physics Preprint PDF DOI

From Equilibrium Multistability to Spatiotemporal Chaos in Channel Flows of Nematic Fluids

Rahil N. Valani, Sumesh Thampi, Julia M. Yeomans ยท 2025

We investigate channel-confined, nematic liquid crystals using the Beris-Edwards model of nematohydrodynamics. Using strong homeotropic anchoring at the walls, we find multistability i.e. multiple coeโ€ฆ

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Phase Separation Dynamics and Active Turbulence in a Binary Fluid Mixture

Sohail Ahmed, Zixiang Lin, Zijie Qu ยท 2025

Active matter, encompassing natural systems, converts surrounding energy to sustain autonomous motion, exhibiting unique non-equilibrium behaviors such as active turbulence and motility-induced phase โ€ฆ

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Physics Preprint PDF DOI

Dynamic compression of glassy GeO$2$ up to the TPa range and first observation of shock induced crystallization

R. Torchio, J.A. Hernandez, A. Cordone, S.Balugani, T. Vinci, C. Pepin, N. Sevelin-Radiguet, E. Guillam, F. Dorchies, A.Benuzzi ยท 2025

In this work we present an extensive study of glassy GeO$_2$ under laser induced dynamic compression. New VISAR and SOP data provide the extension of Hugoniot EoS up to the TPa range for this materialโ€ฆ

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Physics Preprint PDF DOI

The Serpent Eating Its Own Tail: Dust Destruction in the Apep Colliding-Wind Nebula

Ryan M. T. White, Benjamin J. S. Pope, Peter G. Tuthill, Yinuo Han, Shashank Dholakia, Ryan M. Lau, Joseph R. Callingham, Noel D. Richardson ยท 2025

Much of the carbonaceous dust observed in the early universe may originate from colliding wind binaries (CWBs) hosting hot, luminous Wolf-Rayet (WR) stars. Downstream of the shock between the stellar โ€ฆ

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Modeling active nematics via the nematic locking principle

Kevin A. Mitchell, Md Mainul Hasan Sabbir, Sean Ricarte, Brandon Klein, Daniel A. Beller ยท 2025

Active nematic systems consist of rod-like internally driven subunits that interact with one another to form large-scale coherent flows. They are important examples of far-from-equilibrium fluids, whiโ€ฆ

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Triple V-shaped type-II quantum wells for long wavelength interband cascade lasers

B. Petrovic, T. Sato, S. Birner, J. Zanon, M. E. Flatte, R. Weih, F. Hartmann, S. Hofling ยท 2025

We investigate triple V-shaped type-II quantum wells designed to emit at 6-9 {\mu}m wavelength range, consisting of three InAs(Sb) electron quantum wells and two Ga0.6In0.4Sb hole quantum wells. The wโ€ฆ

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Physics Preprint PDF DOI

Effects of Geometric Modelling and Blood Rheology in Patient-Specific Arterial Blood Flow Simulations with Speed-Accuracy Trade-Off Analysis

Rishi Kumar, K. Muralidhar, Indranil Saha Dalal ยท 2025

This study investigates the effects of geometric model reduction on blood flow simulations in the patient-specific descending aorta, followed by speed-accuracy trade-off analysis using 3D simulations.โ€ฆ

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Chaos-generating periodic orbits of topological defects in confined active nematics

Brandon Klein, Alejandro J. Soto Franco, Md Mainul Hasan Sabbir, Matthew J. Deutsch, Ross Kliegman, Robin L. B. Selinger, Kevin A. Mitchell, Daniel A. Beller ยท 2025

Active nematics in two dimensions stir themselves efficiently through internally generated chaotic flows, largely driven by motile $+1/2$ disclinations. We investigate how this tendency toward chaoticโ€ฆ

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Introdu\c{c}\~ao a rede neural para F\'isicos

Gubio Gomes de Lima, Gustavo Miranda, Tiago de Souza Farias ยท 2025

As t\'ecnicas de aprendizado de m\'aquina emergiram no contexto cient\'ifico e se desenvolveram como ferramentas poderosas para enfrentar uma ampla gama de desafios na sociedade. A integra\c{c}\~ao deโ€ฆ

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Imaging the innermost circumstellar environment of the red supergiant WOH G64 in the Large Magellanic Cloud

K. Ohnaka, K.-H. Hofmann, G. Weigelt, J. Th. van Loon, D. Schertl, S. R. Goldman ยท 2024

Significant mass loss in the red supergiant (RSG) phase has great influence on the evolution of massive stars and their final fate as supernovae. We present near-infrared interferometric imaging of thโ€ฆ

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Non-local, diamagnetic electromagnetic effects in magnetically insulated transmission lines

E. G. Evstatiev, M. H. Hess, N. D. Hamlin, B. T. Hutsel ยท 2024

We identify the time-dependent physics responsible for the critical reduction of current losses in magnetically insulated transmission lines (MITLs) due to uninsulated space charge limited (SCL) curreโ€ฆ

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Unitary death of Schr\"odinger's cat

Pavel Stransky, Pavel Cejnar, Radim Filip ยท 2024

We analyze dynamics of the Rabi model describing interactions of a qubit with a single soft-mode oscillator. We show that the model with a slightly violated parity generates symmetric Schr{\"o}dinger โ€ฆ

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Floquet Analysis on an Irradiated Nodal Surface Semimetal with Non-Symmorphic Symmetry

Bhaskar Pandit, Satyaki Kar ยท 2024

A nodal surface semimetal (NSSM) features symmetry enforced band crossings along a surface within the three-dimensional (3D) Brillouin zone (BZ) and a presence of a nonsymmorphic symmetry there pushesโ€ฆ

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Active nematodynamics on deformable surfaces

Ingo Nitschke, Axel Voigt ยท 2024

We consider active nematodynamics on deformable surfaces. Based on a thermodynamically consistent surface Beris-Edwards model we add nematic activity and focus on the emerging additional coupling mechโ€ฆ

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