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๐Ÿ” david cok ๐Ÿ“‚ Physics
Showing 3137 results for "david cok" in Physics
Physics Preprint PDF DOI

DeepPropNet: an operator learning-based predictor for thermal plasma properties

Zuo Wang, Linlin Zhong ยท 2026

Thermal plasma properties play a critical role in plasma simulations and plasma-related applications. However, their strong nonlinear dependence on temperature, pressure, and gas composition makes accโ€ฆ

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Physics Preprint PDF DOI

Beyond conventional skyrmions in synthetic antiferromagnets

Kayla Fallon, Reshma Peremadathil-Pradeep, Christopher E. A. Barker, Zoey Tumbleson, Emily Darwin, Andrea Meo, Eloi Haltz, Benjamin A. Brereton, Trevor Almeida, Colin Kirkbride, Sara Villa, Sophie A. Morley, Mario Carpentieri, Riccardo Tomasello, Hans J. Hug, Christopher H. Marrows, Stephen McVitie ยท 2026

Magnetic skyrmions are topologically protected spin textures that can act as reconfigurable nanoscale information carriers. In synthetic antiferromagnets (SAFs), interlayer exchange coupling offers anโ€ฆ

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Comparative Silane Surface Functionalization Strategies for Enhanced Bloch Surface Wave Biosensing of Anti-SARS-CoV-2 Antibodies

Agostino Occhicone, Alberto Sinibaldi, Paola Di Matteo, Daniele Chiappetta, Riccardo Guadagnoli, Peter Munzert, Francesco Michelotti ยท 2026

Surface functionalization plays a decisive role in the performance of biosensors, as it governs the efficiency and stability of biomolecule immobilization at the sensor interface and, consequently, thโ€ฆ

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Physics Preprint PDF DOI

Meshless $h$-adaptive Solution for non-Newtonian Natural Convection in a Differentially Heated Cavity

Miha Rot, Gregor Kosec ยท 2026

One of the main challenges in numerically solving partial differential equations is finding a discretisation for the computational domain that balances the accurate representation of the underlying fiโ€ฆ

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Amorphous Nanoconfinement Enables Self-sustaining Sabatier Reaction at Ambient Conditions

Zhiyong Qiu, Cheng Li, Jinzhen Yang, Fangkun Sun, Zheng Zhang, Canwen Yu, Weizheng Cai, Liang Guo, Yutong Gong, Junjie Wang, Meng Danny Gu, Jiazhen Wu ยท 2026

The Sabatier reaction, the catalytic hydrogenation of CO2 into CH4, offers a cornerstone for carbon capture and utilization, and in-situ resource utilization during space exploration; however, it faceโ€ฆ

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Physics Preprint PDF DOI

Data-Driven Thermal and Mechanical Modeling of Defective Covalent Organic Frameworks

Aleksander Szewczyk, Leonardo Medrano Sandonas, David Bodesheim, Bohayra Mortazavi, Gianaurelio Cuniberti ยท 2026

Covalent Organic Frameworks (COFs) are versatile two-dimensional (2D) materials for flexible electronics, catalysis, and sensing, owing to their tunable architectures and large surface areas. However,โ€ฆ

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Physics Preprint PDF DOI

BV photometry of the ultracompact binary star GP Com

R. Zamanov, L. Dankova, M. Minev, D. Boneva, K. Yankova ยท 2026

We present optical B and V band photometry of GP Com - an ultracompact binary consisting of an accreting white dwarf and helium secondary component. Our data set contains 7.7 hours observations in V bโ€ฆ

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Plasmonic Photocatalysis Enables Selective Oxidative Coupling of Methane with Nitrous Oxide under Ambient Conditions

Serin Lee, Lin Yuan, Elijah Begin, Dali Yang, Cedric Lim, Yirui Arlene Zhang, Lu Ma, Colin Ophus, Yi Cui, Junwei Lucas Bao, Jennifer A. Dionne ยท 2026

Methane (CH4) and nitrous oxide (N2O) are potent greenhouse gases that represent substantial chemical energy. Conversion of these abundant waste gases to high-value chemicals typically requires high tโ€ฆ

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High-yield fabrication of micromirror templates via feedback-controlled laser ablation

Daniel Allepuz-Requena, Jonas Schou Neergard-Nielsen, Alexander Huck, Ulrik Lund Andersen ยท 2026

We present a high-yield method for fabricating concave micromirror templates in silica using feedback-controlled CO2 laser ablation with precise in situ positioning. Real-time monitoring of the white-โ€ฆ

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Physics Preprint PDF DOI

Radiation-driven stellar winds at the fast-slow transition: new hydrodynamic solutions

M.C. Fernandez, R.O.J. Venero, L.S. Cidale, I. Araya, M. Cure ยท 2026

Radiation-driven winds of massive stars can be described within the modified CAK theory, which parametrises the radiation force through three key quantities: $\alpha$, $\delta$, and $k$. Different comโ€ฆ

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Physics Preprint PDF DOI

Rotating Thin Shells in Einstein-Gauss-Bonnet Gravity

Joao D. Alvares, Tiago V. Fernandes ยท 2026

A rotating metric solution in Einstein-Gauss-Bonnet gravity with a negative cosmological constant was recently found in the Chern-Simons point. We construct a rotating thin shell gluing two spacetimesโ€ฆ

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Dyadic-Order Quantum Fractional Transforms: Circuit Constructions and Applications to Hartley and Cosine Transform Families

Matheus J. A. Oliveira, Israel F. Araujo, Jose R. de Oliveira Neto, Juliano B. Lima ยท 2026

This paper presents a generalized circuit framework for constructing Shih-type fractionalizations of unitary operators of dyadic order, i.e., operators $U$ satisfying $U^{2^n}=I$. Building upon the arโ€ฆ

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Comparative performance of three optical biosensing platforms for SARS-CoV-2 antibodies detection in human serum

Agostino Occhicone, Alberto Sinibaldi, Peter Munzert, Jordan N. Butt, Ethan P. Luta, Diego M. Arevalo, Francesco Michelotti, Benjamin L. Miller ยท 2026

This study presents a rigorous comparative analysis of two label-free optical biosensing platforms, Bloch surface wave (BSW) and microring resonator (MRR), for the detection of SARS-CoV-2 antibodies iโ€ฆ

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Physics Preprint PDF DOI

Large Interstellar Polarisation Survey. III. Observational constraints on the structure of grains

Ralf Siebenmorgen, Stefano Bagnulo, Lapo Fanciullo, Thomas Vannieuwenhuyse, Vincent Guillet ยท 2026

Dust in the diffuse interstellar medium remains incompletely understood with regard to the structure, composition, size distribution, and alignment properties of the grains. Joint observations of reddโ€ฆ

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Optically induced thermal demagnetization and switching of antiferromagnetic domains in NiO and CoO thin films

Maciej Dabrowski, Tong Wu, Connor R. J. Sait, Jia Xu, Paul S. Keatley, Yizheng Wu, Robert J. Hicken, Olena Gomonay ยท 2026

We demonstrate all-optical manipulation of magnetic domains in NiO/Pt and CoO/Pt thin films with insulating antiferromagnetic layers. Using magneto-optical birefringence imaging, we show that even a sโ€ฆ

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Understanding insulating ferromagnetism in LaCoO3 films under tensile strain

Ali Barooni, Murod Mirzhalilov, Mohit Randeria, Patrick M. Woodward, Maryam Ghazisaeidi ยท 2026

LaCoO3 thin films grown under epitaxial tensile strain exhibit a robust ferromagnetic insulating state that is absent in the bulk. Despite many studies, both experimental and computational, the microsโ€ฆ

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A Comprehensive Atmospheric Retrieval Analysis of 22 James Webb Space Telescope Spectral Energy Distributions of Cool Brown Dwarfs

Harshil Kothari, Michael C. Cushing, Samuel A. Beiler, Channon Visscher, Mark S. Marley, Ben Burningham, Adam C. Schneider, J. Davy Kirkpatrick ยท 2026

We present a uniform atmospheric retrieval analysis of 22 late-T and Y-type brown dwarfs within 20 pc, observed with the James Webb Space Telescope NIRSpec PRISM and MIRI LRS. This dataset provides thโ€ฆ

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Moir\'e Mott correlated mosaics in twisted bilayer 1T-TaS$_2$

Ana Vera Montoto, Jose L. Lado, Adolfo O. Fumega ยท 2026

The tunability and twist engineering of van der Waals materials enable the emergence of electronic states not present in individual monolayers. Among them, monolayer 1T-TaS$_2$ is a well-known Mott inโ€ฆ

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Ultrafast Kilowatt-Range Microwave Pulsing for Enhanced CO2 Conversion in Atmospheric-Pressure Plasmas

S. Soldatov, L. Silberer, C.K. Kiefer, G. Link, A. Navarrete, J. Jelonnek ยท 2026

Ultrafast microwave power pulsation is demonstrated as an effective strategy to enhance CO2 conversion in atmospheric-pressure plasma reactors. While initial experiments at several hundred watts in a โ€ฆ

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Quantum Simulation of Cranked Zirconium Isotopes: A Fixed-N Approach with a Structured Number-Conserving Ansatz

Abhishek, Nabeel Salim, P. Arumugam ยท 2026

We present a methodological study of quantum simulation of cranking in a Nilsson $+$ pairing Hamiltonian on a fixed deformation grid. The many-body Routhian is mapped to qubits via the Jordan--Wigner โ€ฆ

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