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Showing 45341 results for "grant ayers" in Physics · Preprint
Physics Preprint PDF DOI

New gravitational-wave templates for metastable cosmic strings: Loop breaking versus network collapse

Doa Hashemi Asl, Kai Schmitz · 2026

Metastable cosmic strings are a common prediction of grand unified theories and act as a source of a gravitational-wave background (GWB) that can explain the 2023 pulsar timing array (PTA) signal. In …

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Physics Preprint PDF DOI

Giant Spin Magnetization from Quantum Geometry in Altermagnets

Neelanjan Chakraborti, Sudeep Kumar Ghosh, Snehasish Nandy · 2026

Altermagnets host spin-split band structures while exhibiting vanishing equilibrium spin magnetization, making field-induced responses a direct probe of their quantum geometry. A central question, in …

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Physics Preprint PDF DOI

Multimode grating couplers via foundry-compliant inverse design

Hao Li, Nazar Pyvovar, Zhaowei Dai, Owen D. Miller · 2026

We apply a systematic inverse design approach to discover foundry-compliant, multilayer grating couplers that can efficiently couple a number of independent waves from free space to on-chip propagatin…

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Physics Preprint PDF DOI

Sampling two-dimensional spin systems with transformers

Piotr Bia{l}as, Piotr Korcyl, Tomasz Stebel, Adam Stefanski, Dawid Zapolski · 2026

Autoregressive Neural Networks based on dense or convolutional layers have recently been shown to be a viable strategy for generating classical spin systems. Unlike these methods, sampling with transf…

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Physics Preprint PDF DOI

Universal Nano-Bead Emitter Inks for Programmable Nanometric Fluorescent Architectures

Ilya Olevsko, Maria Shehadeh, Dmytro Ohorodniichuk, Leonid Weisman, Rotem Golan, Martin Oheim, Gerardo Byk, Adi Salomon · 2026

Fabricating brightly fluorescent layers with nanometric thickness and digitally controlled lateral structuration remains a challenge for next-generation photonic devices, optical calibration standards…

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Physics Preprint PDF DOI

Constructing Bulk Topological Orders via Layered Gauging

Shang Liu · 2026

Understanding quantum phases and phase transitions in the presence of symmetries is a central objective of quantum many-body physics. A powerful modern paradigm for investigating this problem is topol…

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Physics Preprint PDF DOI

uGMRT and MeerKAT observation of RXCJ0232-4420: a quiet cluster with a giant radio halo

Pralay Biswas, Ramananda Santra, Ruta Kale, Viral Parekh · 2026

Giant radio halos are the Mpc-scale extended sources associated with the merging clusters, while the mini-halos are preferentially associated with cool-core clusters. Both trace the ICM plasma physica…

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Physics Preprint PDF DOI

Outer-Crust Equations of State for Neutron Stars

P.S. Koliogiannis, N. Paar · 2026

We construct and systematically assess four outer-crust equations of state based on relativistic nuclear mass models and a machine-learning mass table. Our aim is to quantify the sensitivity of the eq…

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Physics Preprint PDF DOI

IQUEYE at Gemini South: instrument, science commission, and first results

Tomas Cassanelli, Pascual Marcone-Puga, Giampiero Naletto, Luca Zampieri, Paolo Ochner, Michele Fiori, Alessia Spolon, Susana B. Araujo Furlan, Albert Wai Kit Lau, Ryan Mckinven · 2026

The Italian quantum eye (IQUEYE) is a fast photon counter based on the single photon avalanche diode detectors and capable of preserving a ~0.5 ns/h accuracy photon time of arrival. IQUEYE was origina…

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Physics Preprint PDF DOI

Sub-50 Picosecond exceptionally Bright Perovskite Scintillation by Unlocking Giant Oscillator Strength

Chuanwei Dai, Yunbiao Zhao, Xiao Ouyang, Huaqing Huang, Yulan Liang, Jiaqi Bai, Yingjie Song, Jianhan Sun, Yiqun Duan, Wenjun Ma, Senlin Huang, Shufeng Wang, Jianming Xue, Xiaoping Ouyang · 2026

Ultrafast scintillators are indispensable for precise timing in high-energy physics and medical diagnostics. Fundamentally constrained by the trade-off between emission rate and light yield, conventio…

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Physics Preprint PDF DOI

Universal magnetotunnel conductance at a Weyl semimetal-layered Chern insulator junction

Nirnoy Basak, Sumathi Rao, Faruk Abdulla · 2026

We investigate electronic transport across a junction between a Weyl semimetal (WSM) and a layered Chern insulator (LCI) in the presence of a magnetic field perpendicular to the interface. The topolog…

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Physics Preprint PDF DOI

Non-Equilibrium Orbital Transport in Terahertz Optorbitronics

Sobhan Subhra Mishra, Ranjan Singh · 2026

Modern information technologies rely on controlling the flow of electrons through their charge and spin. A rapidly emerging alternative is to use the orbital motion of electrons, the way they circulat…

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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 · 2026

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

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Physics Preprint PDF DOI

Revealing magnetism in the distorted kagome $R$Ti$_3$Bi$_4$ ($R$ = Nd, Sm, Gd) via ARPES and XMCD

C. Lim, F. Ballester, A. Kar, M. Alkorta, D. Subires, J. Dai, M. Tallarida, E. Vescovo, T. K. Kim, C. Cacho, C. Yi, S. Roychowdhury, A. Kumar Sharma, Y. Choi, G. Fabbris, J. Strempfer, P. Gargiani, C. Shekhar, C. Felser, I. Errea, M. G. Vergniory, S. Blanco-Canosa · 2026

Kagome materials are known for hosting emergent quantum phenomena driven by the interaction between different lattice, charge and spin orders. Here, we present a detailed angle resolved photoemission …

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Physics Preprint PDF DOI

Comparison of Silvaco and Synopsys TCAD Predictions Including the Perugia Radiation Damage Model in Silicon Pixel Detectors for the HL-LHC

M. Bomben, T. Croci, K. Aouadj, A. Fondacci, F. Moscatelli, A. Morozzi, D. Passeri · 2026

At the High Luminosity Large Hadron Collider (HL-LHC), silicon pixel detectors will be exposed to radiation fluences about 5 to 10 times larger than those experienced by the current innermost pixel la…

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Physics Preprint PDF DOI

Revisiting the mixing length scaling in pressure-gradient turbulent boundary layers via a symmetry approach

Weitao Bi · 2026

A century after Prandtl's mixing length hypothesis, full-profile scaling of the mixing length in pressure-gradient turbulent boundary layers (PG TBLs) remains debated, especially for adverse pressure …

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Physics Preprint PDF DOI

Hardware-Efficient Quantum Optimization for Transportation Networks via Compressed Adiabatic Evolution

Talha Azfar, Ruimin Ke, Sean He, Cara Wang, Jose Holguin-Veras · 2026

Transportation systems such as urban logistics, vehicle routing, and infrastructure planning require solving large-scale combinatorial optimization problems under complex constraints. Problems such as…

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Physics Preprint PDF DOI

A Comprehensive Analysis of Accuracy and Robustness in Quantum Neural Networks

Ban Q. Tran, Duong M. Chu, Hai T.D. Pham, Viet Q. Nguyen, Quan A. Pham, Susan Mengel · 2026

Quantum Machine Learning (QML) has recently emerged as a highly promising research frontier. Within this domain, Quantum Neural Networks (QNNs),characterized by Variational Quantum Circuits (VQCs) at …

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Physics Preprint PDF DOI

Hidden Crossover and Relaxor-Like Response from Emerging Polar Skyrmion Correlations in Ferroelectric Superlattices

Zhiyang Wang, Fei Yang, Long-Qing Chen · 2026

Polar skyrmions in ferroelectric superlattices are nanoscale topological polarization textures typically regarded as weakly coupled objects confined to individual layers, with a role secondary to that…

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Physics Preprint PDF DOI

A new diffuse reflector filament for additive manufacturing of 3D printing finely-segmented plastic scintillator

A. Krech, A. Boyarintsev, B. Grynyov, N. Karavaeva, S. Minenko, T. Sibilieva, M. Sibilyev, T. Dieminger, U. Kose, B. Li, A. Rubbia, D. Sgalaberna, T. Weber, J. Wuthrich, X. Zhao, S. Berns, E. Boillat, S. Hugon, A. De Roeck · 2026

This study presents the development and the characterization of novel white reflective filaments suitable for additive manufacturing of finely segmented plastic scintillators. The filament is based on…

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