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🔍 alexandre pineault 📂 Physics 📄 Preprint
Showing 275 results for "alexandre pineault" in Physics · Preprint
Physics Preprint PDF DOI

VibroML: an automated toolkit for high-throughput vibrational analysis and dynamic instability remediation of crystalline materials using machine-learned potentials

Rogerio Almeida Gouvea, Gian-Marco Rignanese · 2026

While machine-learned interatomic potentials (MLIPs) accelerate phonon dispersion calculations, merely identifying dynamical instabilities in computationally predicted materials is insufficient; autom…

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Physics Preprint PDF DOI

Digital Simulation of Non-Hermitian Knotted Bands on Quantum Hardware

Truman Yu Ng, Yuzhu Wang, Wei Jie Chan, Ruizhe Shen, Tianqi Chen, Ching Hua Lee · 2026

Knots and links represent a fundamental motif of non-local connectivity that permeates the physical sciences from string theory to protein folds. While spectral braiding has been explored in two-band …

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Physics Preprint PDF DOI

Frontiers of atom probe tomography physics, data processing, and analysis

Emmanuelle A. Marquis, Arun Devaraj, Richard G. Forbes, Iman Ghamarian, Markus Kuhbach, Jean-Baptiste Maillet, Baishakhi Mazumder, Frederick Meisenkothen, Jiayuwen Qi, Daniel Schreiber, Paul Styman, Francois Vupillot, Wolfgang Windl · 2026

Atom probe tomography (APT) fills a crucial need in the characterization workflow of materials by its ability to inform the 3D chemical microstructure at the nanoscale. As with any characterization te…

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Physics Preprint PDF DOI

Generating Exceptional Knots and Links with Arbitrary Braiding Topology

Bin Jiang, Aolong Guo, Qilin Cai, Jian-Hua Jiang · 2026

Non-Hermitian systems host band degeneracies that are fundamentally distinct from those in Hermitian systems, most notably exceptional points (EPs) where both eigenvalues and eigenvectors coalesce. In…

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Physics Preprint PDF DOI

Calculating Feynman diagrams with matrix product states

Xavier Waintal · 2026

This text reviews, hopefully in a pedagogical manner, a series of work on the automatic calculations of Feynman diagrams in the context of quantum nanoelectronics (Keldysh formalism) with an applicati…

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Physics Preprint PDF DOI

Shallow $T_{bc}$ states from an EFT analysis of $B^{(*)} \bar D^{(*)}$ scattering on the lattice

Michael Abolnikov, Lu Meng, Vadim Baru, Evgeny Epelbaum, Arseniy A. Filin, Ashot M. Gasparyan · 2026

We present an effective field theory (EFT) framework for coupled-channel $B^{(*)}\bar D^{(*)}$ scattering, applying it to recent lattice QCD results by Alexandrou et al. [Phys. Rev. Lett. 132, 151902 …

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Physics Preprint PDF DOI

Multisymplectic AKSZ sigma models

Thomas Basile, Maxim Grigoriev, Evgeny Skvortsov · 2026

The Alexandrov-Kontsevich-Schwarz-Zaboronsky (AKSZ) construction encodes all the data of a topological sigma-model in the finite-dimensional symplectic $Q$-manifold. Relaxing the nondegeneracy conditi…

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Physics Preprint PDF DOI

AI-Driven Expansion and Application of the Alexandria Database

Theo Cavignac, Jonathan Schmidt, Pierre-Paul De Breuck, Antoine Loew, Tiago F. T. Cerqueira, Hai-Chen Wang, Anton Bochkarev, Yury Lysogorskiy, Aldo H. Romero, Ralf Drautz, Silvana Botti, Miguel A. L. Marques · 2025

We present a novel multi-stage workflow for computational materials discovery that achieves a 99% success rate in identifying compounds within 100 meV/atom of thermodynamic stability, with a threefold…

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Physics Preprint PDF DOI

Control of localized states of itinerant electrons and their magnetic interactions

Yaxin Sun, I. S. Lobanov, Jiahao Su, Ho-Kin Tang, V. M. Uzdin · 2025

Controlling the magnetic properties of nanosystems by an electric field offers a number of advantages for spintronics applications. Using the noncollinear Alexander-Anderson model, we have shown that …

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Physics Preprint PDF DOI

Causal Rigidity and the Single-Unit Universe: Integrating the Alexandrov-Zeeman and Unruh Clock Scales

Karl Svozil · 2025

We unify two complementary viewpoints on relativistic spacetime and the counting of fundamental constants. Operationally, Matsas, Pleitez, Saa, and Vanzella (MPSV) have recently argued that relativist…

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Physics Preprint PDF DOI

An ALE approach to reduce spurious numerical mixing through variational minimizers: application to internal waves

Andreas Alexandris-Galanopoulos, George Papadakis · 2025

Spurious numerical mixing is a frequent phenomenon in ocean models. In the present paper, we present an efficient and robust methodology that defines the vertical grid motion so that this mixing is re…

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Physics Preprint PDF DOI

Surface Observables, $2$-Knot Invariants, and Nonabelian Electric Fluxes

Alberto S. Cattaneo · 2025

This work introduces a surface observable for nonabelian four-dimensional $BF$ theory with a cosmological term. The surface observable yields new $2$-knot invariants that may extend beyond known examp…

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Physics Preprint PDF DOI

LeMat-Bulk: aggregating, and de-duplicating quantum chemistry materials databases

Martin Siron, Inel Djafar, Ali Ramlaoui, Etienne du Fayette, Amandine Rossello, Edvin Fako, Matthew McDermott, Felix Therrien, Luis Barroso-Luque, Flaviu Cipcigan, Philippe Schwaller, Thomas Wolf, Alexandre Duval · 2025

The rapid expansion of materials science databases has driven machine learning-based discovery while also posing challenges in data integration, duplication, and interoperability. Robust standardizati…

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Physics Preprint PDF DOI

Preparation and evaluation of alexandrite, forsterite, and topaz substrates for the epitaxial growth of rutile oxides

Monique Kubovsky, Yorick A. Birkholzer, Luka B. Mitrovic, Hanjong Paik, George R. Rossman, Darrell G. Schlom · 2025

Metal-insulator transitions and superconductivity in rutile-structured oxides hold promise for advanced electronic applications, yet their thin film synthesis is severely hindered by limited substrate…

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Physics Preprint PDF DOI

Accelerated prediction of dielectric functions in solar cell materials with graph neural networks

Caden Ginter, Kamal Choudhary, Subhasish Mandal · 2025

We present an atomistic line graph neural network (ALIGNN) model for predicting dielectric functions directly from crystal structures. Trained on $\sim$7000 dielectric functions from the JARVIS-DFT da…

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Physics Preprint PDF DOI

Open Hurwitz numbers and the mKP hierarchy

Alexandr Buryak, Ran J. Tessler, Mikhail Troshkin · 2025

We give a natural definition of open Hurwitz numbers, where the weight of each ramified covering includes an integer parameter $N$ taken to the power that is equal to the number of boundary components…

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Physics Preprint PDF DOI

Guided Diffusion for the Discovery of New Superconductors

Pawan Prakash, Jason B. Gibson, Zhongwei Li, Gabriele Di Gianluca, Juan Esquivel, Eric Fuemmeler, Benjamin Geisler, Jung Soo Kim, Adrian Roitberg, Ellad B. Tadmor, Mingjie Liu, Stefano Martiniani, Gregory R. Stewart, James J. Hamlin, Peter J. Hirschfeld, Richard G. Hennig · 2025

The inverse design of materials with specific desired properties, such as high-temperature superconductivity, represents a formidable challenge in materials science due to the vastness of chemical and…

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Physics Preprint PDF DOI

Quantum Algorithm of the GLMY Homology on Digraphs

Yunpeng Zi, Muchun Yang, D. L. Zhou · 2025

Quantum algorithms for topological data analysis provide significant advantage over the best classical algorithm. Different from the previous simplical complex on points cloud, the GLMY homology intro…

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Physics Preprint PDF DOI

Mechanisms of Chain Exchange in Diblock Copolymer Micelles

Samuel Varner, Marcus Muller, Alejandro Gallegos, Timothy P. Lodge, Kevin D. Dorfman, Zhen-Gang Wang · 2025

We investigate the mechanism of chain exchange in diblock copolymer micelles using two distinct yet complementary simulation techniques. First, enhanced sampling method is combined with coarse-grained…

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Physics Preprint PDF DOI

What drives the growth of black holes: a decade of progress

D.M. Alexander (CEA-Durham), R.C. Hickox (Dartmouth College), J. Aird (Edinburgh), F. Combes (Obs de Paris), T. Costa (Newcastle), M. Habouzit (Geneva), C.M. Harrison (Newcastle), R.I. Leng (Edinburgh), L.K. Morabito (CEA-Durham), S.L. Uckelman (Durham), P. Vickers (Durham) · 2025

The last decade has witnessed significant progress in our understanding of the growth of super-massive black holes (SMBHs). It is now clear that an Active Galactic Nucleus (AGN: the observed manifesta…

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