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🔍 ecole polytechnique 📂 Physics 📄 Preprint
Showing 267 results for "ecole polytechnique" in Physics · Preprint
Physics Preprint PDF DOI

Compressible Navier--Stokes Flow in Schr\"odinger-Type Variables

James R. Beattie, Max Sokolova, Khush Negandhi, Bart Ripperda · 2026

Fluid equations are nonlinear, dissipative, and non-Hamiltonian, which makes their relation to Schr\"odinger evolution and quantum algorithms nontrivial. We derive an exact Eulerian Cole-Hopf-type ref…

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Physics Preprint PDF DOI

Integrable Deformations of the Breitenlohner-Maison Model from 4d Chern-Simons Theory

Meer Ashwinkumar, Matthias Blau · 2026

We derive integrable deformations of the 2d Breitenlohner-Maison (BM) sigma model that describes the stationary, axisymmetric sector of 4d general relativity, as well as higher-rank generalisations th…

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Physics Preprint PDF DOI

Passive two-plateau relaxation from Tricomi confluent hypergeometric kernels

Marc Tudela-Pi, Ivano Colombaro · 2026

Anomalous relaxation with memory spectra arises in disordered solids, soft matter, biological tissues and electrochemical interfaces. Fractional-order models capture broad power-law behaviour efficien…

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Physics Preprint PDF DOI

Generative optimal transport via forward-backward HJB matching

Haiqian Yang, Vishaal Krishnan, Sumit Sinha, L. Mahadevan · 2026

Controlling the evolution of a many-body stochastic system from a disordered reference state to a structured target ensemble, characterized empirically through samples, arises naturally in non-equilib…

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Physics Preprint PDF DOI

Fingerprint of $T_c$ advancement in Li-doped Bi-2223 superconductors prepared by cationic molecular mixing within Pechini sol-gel synthesis

N.K. Man, Huu T. Do, Nguyen V. Tu, Nguyen V. Quy · 2026

Trilayered Bi-2223 superconductor features the highest critical temperature $T_c$ among the bismuth-based cuprate collection and symbolizes an ideal prototype for studying intrinsic superconducting pr…

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Physics Preprint PDF DOI

Microscopy of Bioelectric Potentials using Electrochromism

Burhan Ahmed, Erica Liu, Lothar Maisenbacher, Pengwei Sun, Dana Griffith, Kenneth Nakasone, Yuecheng Zhou, Bianxiao Cui, Holger Muller · 2026

Studying the electrical signals generated by living cells is key to understanding numerous biological phenomena. Electrochromic optical recording (ECORE) uses the electrochromism exhibited by certain …

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Physics Preprint PDF DOI

Early results in the search for extreme coronal line emitters with the Dark Energy Spectroscopic Instrument

Peter Clark, Joseph Callow, Or Graur, Alexei V. Filippenko, Thomas G. Brink, WeiKang Zheng, Jessica Aguilar, Steven Ahlen, Segev BenZvi, Davide Bianchi, David Brooks, Todd Claybaugh, Andrei Cuceu, Axel de la Macorra, Arjun Dey, Peter Doel, Jaime E. Forero-Romero, Enrique Gaztanaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Victoria Fawcett, Mustapha Ishak, Jorge Jimenez, Dick Joyce, Stephanie Juneau, Theodore Kisner, Anthony Kremin, Martin Landriau, Laurent Le Guillou, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Seshadri Nadathur, Will J. Percival, Francisco Prada, Ignasi Perez-Rafols, Graziano Rossi, Eusebio Sanchez, David Schlegel, Michael Schubnell, Joseph Harry Silber, David Sprayberry, Gregory Tarle, Benjamin A. Weaver, Rongpu Zhou, Hu Zou · 2026

Here we present the results of our search through the Early Data Release (EDR) of the Dark Energy Spectroscopic Instrument (DESI) for extreme coronal line emitters (ECLEs) - a rare classification of g…

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Physics Preprint PDF DOI

Multiscale Prediction of Polymer Relaxation Dynamics via Computational and Data-Driven Methods

Nguyen T. T. Duyen, Ngo T. Que, Anh D. Phan · 2026

We present a multiscale modeling approach that integrates molecular dynamics simulations, machine learning, and the Elastically Collective Nonlinear Langevin Equation (ECNLE) theory to investigate the…

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Physics Preprint PDF DOI

Quantum Error Mitigation with Attention Graph Transformers for Burgers Equation Solvers on NISQ Hardware

Seyed Mohamad Ali Tousi, Adib Bazgir, Yuwen Zhang, G. N. DeSouza · 2025

We present a hybrid quantum-classical framework augmented with learned error mitigation for solving the viscous Burgers equation on noisy intermediate-scale quantum (NISQ) hardware. Using the Cole-Hop…

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Physics Preprint PDF DOI

Quantum algorithms for viscosity solutions to nonlinear Hamilton-Jacobi equations based on an entropy penalisation method

Shi Jin, Nana Liu · 2025

We present a framework for efficient extraction of the viscosity solutions of nonlinear Hamilton-Jacobi equations with convex Hamiltonians. These viscosity solutions play a central role in areas such …

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Physics Preprint PDF DOI

Travelling wave solutions of equations in the Burgers Hierarchy

Amitava Choudhuri, Modhan Mohan Panja, Supriya Chatterjee, Benoy Talukdar · 2025

We emphasize that construction of travelling wave solutions for partial differential equations is a problem of considerable interest and thus introduce a simple algebraic method to generate such solut…

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Physics Preprint PDF DOI

Predicting Structural Relaxation in Supercooled Small Molecules via Molecular Dynamics Simulations and Microscopic Theory

Anh D. Phan, Ngo T. Que, Nguyen T. T. Duyen · 2025

Understanding and predicting the glassy dynamics of small organic molecules is critical for applications ranging from pharmaceuticals to energy and food preservation. In this work, we present a theore…

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Physics Preprint PDF DOI

Quantum Phase Space Tomography for Electromagnetic Biomaterial Imaging

Alessandro Settimi · 2025

I present a concise, first principles metrological framework for imaging dielectric biomaterials by probing the full phase space (Wigner) distribution of a quantum electromagnetic field. Building on a…

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Physics Preprint PDF DOI

Exploring the Nonlinear Rheology of Composite Hydrogels: A New Paradigm for LAOS Analysis

Wayan A. Fontaine-Seiler, Gavin J. Donley, Emanuela Del Gado, Daniel L. Blair · 2025

We investigate composite biopolymer networks composed of co-polymerized fibrin and gelatin networks and perform rheological measurements over a broad parameter space including strain amplitudes that g…

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Physics Preprint PDF DOI

Bridging Machine Learning and Glassy Dynamics Theory for Predictive Polymer Modeling

Anh D. Phan, Ngo T. Que, Nguyen T. T. Duyen, Phan Thanh Viet, Quach K. Quang, Baicheng Mei · 2025

Understanding and predicting the glassy dynamics of polymers remain fundamental challenges in soft matter physics. While the Elastically Collective Nonlinear Langevin Equation (ECNLE) theory has been …

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Physics Preprint PDF DOI

Unconventional Relaxation Dynamics in Co_8Zn_7Mn_5 and Co_8Zn_8Mn_4: Evidence of Inertial Effects

P. Saha, M. Singh, P. D. Babu, S. Patnaik · 2025

Magnetization relaxation dynamics serve as an essential tool for uncovering the intrinsic mechanisms governing the magnetic response and energy dissipation in magnetic systems. In this work, we examin…

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Physics Preprint PDF DOI

Study of Gamow-Teller strength and associated weak-rates on odd-A nuclei in stellar matter

Muhammad Majid, Jameel-Un Nabi, Muhammad Riaz · 2025

In a recent study by Cole et al., it was concluded that QRPA calculations show larger deviations and overestimate the total experimental Gamow-Teller (GT) strength. It was also concluded that QRPA cal…

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Physics Preprint PDF DOI

Stellar Physics Across the HR Diagram with Gaia

Orlagh L. Creevey · 2025

Gaia Data Release 3 (GDR3) contains a wealth of information to advance our knowledge of stellar physics. In these lecture notes we introduce the data products from GDR3 that can be exploited by the st…

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Physics Preprint PDF DOI

Structural and Electrical Transport Properties of NASICON type Na$_{3}$Zr$_{2-x}$Ti$_{x}$Si$_2$PO$_{\rm 12}$ ($x=$ 0.1-0.4) Solid Electrolyte Materials

Ramcharan Meena, Rajendra S. Dhaka · 2025

We report the structural, resistivity, impedance, and dielectric studies of isovalent substituted Na$_{3}$Zr$_{2-x}$Ti$_{x}$Si$_2$PO$_{\rm 12}$ ($x=$ 0.1--0.4) NASICON type solid electrolyte materials…

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Physics Preprint PDF DOI

Modeling Practical Capacitive Structures for Electronic and Dielectric Property Extraction and Analysis

James G. Champlain, Vikrant J. Gokhale, Matthew T. Hardy, Eric N. Jin · 2025

A method for modeling the full steady-state and small-signal behavior of practical capacitive structures, such as metal-insulator-metal capacitors, diodes, and transistors, is presented. Simple lumped…

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