Expertini Research Research

Browse Research Papers

2,173+ open-access research outputs.

โœ• Clear
๐Ÿ” felipe belem ๐Ÿ“‚ Physics
Showing 2173 results for "felipe belem" in Physics
Physics Preprint PDF DOI

Geometric-Phase (Pancharatnam-Berry) Correction for Time-Bin Photonic Qudits: A Calibration and Feed-Forward Algorithm

Ryan Rae-Cheng Wee, Josef Bruzzese ยท 2026

We develop a geometric-phase framework for time-bin photonic qudits and propose a practical calibration and feed-forward algorithm for separating and compensating geometric (Pancharatnam-Berry), dynamโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Relaxation of magnetically-confined mountains on accreting neutron stars through cross-field mass transport

Ryan Brunet, Andrew Melatos, Pedro Rossetto ยท 2026

Hydromagnetic instabilities modify the structure of a magnetically confined mountain on an accreting neutron star, once the accreted mass exceeds a critical value. Ideal magnetohydrodynamics and flux โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Investigations and Considerations of Oxygen Diffusion Profiles in Superconducting Mid-T RF Cavities Utilizing EXAFS Spectroscopy

Niels Eckert, Marc Wenskat, Wolfgang Hillert ยท 2026

A screening of oxygen profiles in mid-T treated SRF cavities is crucial, in order to infer physical correlations between the microscopic cavity lattice and cavity performance - a problem concerning acโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Learning What's Real: Disentangling Signal and Measurement Artifacts in Multi-Sensor Data, with Applications to Astrophysics

Pablo Mercader-Perez, Carolina Cuesta-Lazaro, Daniel Muthukrishna, Jeroen Audenaert, V. Ashley Villar, David W. Hogg, Marc Huertas-Company, William T. Freeman ยท 2026

Data collected from the physical world is always a combination of multiple sources: an underlying signal from the physical process of interest and a signal from measurement-dependent artifacts from thโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Nonlinear Magnetic Orbital Hall Effect Induced by Spin-Orbit Coupling

Hui Wang, Huiying Liu, Yanfeng Ge, Xukun Feng, Jiaojiao Zhu, Jin Cao, Cong Xiao, Shengyuan A. Yang, Lay Kee Ang ยท 2026

Electrical readout of 180$^\circ$ switching in strictly compensated collinear antiferromagnets remains a major challenge in antiferromagnetic spintronics. Electrical writing of perpendicularly magnetiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

STRADAViT: Towards a Foundational Model for Radio Astronomy through Self-Supervised Transfer

Andrea DeMarco, Ian Fenech Conti, Hayley Camilleri, Ardiana Bushi, Simone Riggi ยท 2026

Next-generation radio astronomy surveys are delivering millions of resolved sources, but robust and scalable morphology analysis remains difficult across heterogeneous telescopes and imaging pipelinesโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Change in bit-flip times of Kerr parametric oscillators caused by their interactions

Yuya Kano, Yohei Kawakami, Shumpei Masuda, Tomohiro Yamaji, Aiko Yamaguchi, Tetsuro Satoh, Ayuka Morioka, Kiyotaka Endo, Yuichi Igarashi, Masayuki Shirane, Tsuyoshi Yamamoto ยท 2026

We experimentally investigate how interactions between Kerr parametric oscillators (KPOs) degrade their bit-flip times, where a bit flip is defined as a transition between the two degenerate ground stโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Schr\"odinger's Seed: Purr-fect Initialization for an Impurr-fect Universe

Mi chen, Renhao Ye ยท 2026

Context. Random seed selection in deep learning is often arbitrary -- conventionally fixed to values such as 42, a number with no known feline endorsement. Aims. We propose that cats, as liminal beingโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Permeation behaviour of hydrogen isotopes in molten FLiBe (2LiF-BeF2): Identifying sources of uncertainty and associated measurement challenges

Abhishek Saraswat, Weiyue Zhou, Nayoung Kim, Jaron F. Cota, Guiqiu Zheng, Alexander A. Khechfe, Caroline S. Barthel, Michael P. Short, Remi Delaporte-Mathurin, Kevin B. Woller ยท 2026

This paper presents results from systematic investigations conducted in the HYPERION facility to quantify permeabilities of hydrogen isotopes in FLiBe over a temperature range of 773K - 973K. To addreโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Physics-Informed AI for Laser-Enhanced Contact Optimization in Silicon PV: Electrothermal Activation, Degradation Regimes, and Process Control

Donald Intal, Abasifreke U. Ebong ยท 2026

Laser-enhanced contact optimization (LECO) is increasingly used method to reduce contact resistance and recover fill factor in advanced crystalline silicon solar cells. However, the industrial transfeโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Field-induced spin-flip and spin-flop transitions in NdFeO3

Mariana M. Gomes, Rui Vilarinho, E. Miranda, Ana S. Silva, Christelle Kadlec, Filip Kadlec, Miroslav Lebeda, Petr Proschek, Matus Mihalik jr., Marian Mihalik, Diparkan Jana, Fadi Choueikani, Clement Faugeras, Jose Antonio Paixao, Ester de Prado, Stanislav Kamba, Joaquim Agostinho Moreira ยท 2026

Magnetic control of correlated spin systems is central to the development of next-generation spin-based technologies. Rare-earth orthoferrites provide an interesting platform in which exchange couplinโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Path Integral Monte Carlo on a Sphere

Riccardo Fantoni ยท 2026

We solve numerically exactly a simple toy model to quantum general relativity or more properly to path integral on a curved space. We consider the thermal equilibrium of a quantum many body problem onโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Optimization-Embedded Active Multi-Fidelity Surrogate Learning for Multi-Condition Airfoil Shape Optimization

Isaac Robledo, Alberto Vilarino, Arnau Miro, Oriol Lehmkuhl, Carlos Sanmiguel Vila, Rodrigo Castellanos ยท 2026

Active multi-fidelity surrogate modeling is developed for multi-condition airfoil shape optimization to reduce high-fidelity CFD cost while retaining RANS-level accuracy. The framework couples a low-fโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A Compact Broadband Purcell Filter for Superconducting Quantum Circuits in a 3D Flip-Chip Architecture

Zhen Luo, Lea Richard, Ivan Tsitsilin, Anirban Bhattacharjee, Christian M.F. Schneider, Stefan Filipp, Amelie Hagelauer ยท 2026

Fast and high-fidelity qubit readout requires strong coupling between the readout resonator and the feedline. However, such coupling unavoidably enhances qubit decay through the Purcell effect. We preโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Machine intelligence supports the full chain of 2D dendrite synthesis

Wenqiang Huang, Susu Fang, Xuhang Gu, Shen'ao Xue, Huanhuan Xing, Junjie Jiang, Junying Zhang, Shen Zhou, Zheng Luo, Jin Zhang, Fangping Ouyang, Shanshan Wang ยท 2026

Exemplified by the chemical vapor deposition growth of two-dimensional dendrites, which has potential applications in catalysis and presents a parameter-intensive, data-scarce and reaction process-comโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Fourier transform of irregular connections on $\mathbb P^1$ and classification of Argyres-Douglas theories

Jean Doucot ยท 2026

We give a mathematical interpretation of the dualities between type $A$ Argyres-Douglas theories recently obtained by Beem, Martone, Sacchi, Singh and Stedman, building on work of Xie. Using the fact โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

AGILE: an end-to-end Rubin-LSST simulation of AGNs, galaxies, and stars I. Software description and first data release

A. Viitanen, A. Bongiorno, I. Saccheo, A. Grazian, M. Paolillo, V. Petrecca, D. De Cicco, D. Roberts, F. Shankar, V. Allevato, E. Merlin, D. Ilic, A. B. Kovacevic G. De Somma, M. Di Criscienzo, L. Girardi, M. Marconi, A. Mazzi, G. Pastorelli, M. Trabucchi, T. Ananna, R. J. Assef, W. N. Brandt, M. Brescia, A. W. Graham, G. Li, D. Marsango, A. Peca, M. Polioudakis, C. M. Raiteri, B. Rani, C. Ricci, G. Richards, M. Salvato, S. Satheesh-Sheeba, R. Shirley, S. Tang, M. J. Temple, F. Tombesi, I. Yoon, F. Zou ยท 2026

Contemporary large-scale surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) and Euclid present an unprecedented discovery potential for studying AGNs at the populatioโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Phase Retrieval using Nonlinear Curvature Sensing within Convergent Beams

Justin R. Crepp, Caleb G. Abbott, James Smous, Matthew Engstrom, Brian Sands ยท 2026

Path-length diversity methods may be used for adaptive optics (AO) systems to retrieve phase and amplitude information by measuring intensity across multiple planes. Observations that rely on free-spaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Magneto-optical Response of 5-SL MnBi$_2$Te$_4$ in Spin-Flip States

Shahid Sattar, Roman Stepanov, A. H. MacDonald, C. M. Canali ยท 2026

Magneto-optical effects like Kerr and Faraday rotations provide a direct probe of topological order in thin films of the magnetic topological insulator MnBi$_2$Te$_4$ (MBT). Motivated by recent experiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Four-state discrimination for a pair of spin qubits via gate reflectometry

Aritra Sen, Andras Palyi ยท 2026

Single-electron spin qubits defined in quantum dots are used as building blocks of a semiconductor-based quantum computer. Readout in a scaled-up version of such a quantum computer is expected to relyโ€ฆ

Read Paper โ†’
Page 1 of 109 Next โ†’