Expertini Research Research

Browse Research Papers

6,827+ open-access research outputs.

โœ• Clear
๐Ÿ” john gamble ๐Ÿ“‚ Physics
Showing 6827 results for "john gamble" in Physics
Physics Preprint PDF DOI

Probing dust properties through polarized scattered-light images of a sample of ring-shaped protoplanetary disks

Maxime Roumesy, Francois Menard, Gaspard Duchene, Ryo Tazaki, Christian Ginski ยท 2026

The evolution of protoplanetary disks, especially in the early stages of planetary formation, as dust grows, is the cornerstone of the birth of planets. The mechanisms involved in the growth of sub-miโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Accelerating finite-element-based projector augmented-wave density functional theory calculations with scalable GPU-centric computational methods

Kartick Ramakrishnan, Phani Motamarri ยท 2026

Accurate large-scale Kohn-Sham density functional theory (DFT) calculations are essential for modeling complex material systems, including interfaces, defects, nanoclusters, and twisted two-dimensionaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Global DIC-based sample-detector geometry refinement for accurate EBSD indexing

Claire Griesbach, Dennis M. Kochmann ยท 2026

Electron backscatter diffraction is a powerful tool for mapping crystallographic microstructures. However, the primary crux to improving orientation accuracy and applying the technique to challenging โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Substitutional platinum as an efficient nonradiative recombination center in silicon

Zhenxing Dai, Menglin Huang, Xin-Gao Gong, Shiyou Chen ยท 2026

Platinum (Pt) is widely used for carrier-lifetime control in silicon power devices, yet the microscopic nonradiative recombination mechanism of the substitutional platinum ($\text{Pt}_\text{Si}$) dopaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Kohn-Sham Hamiltonian from Effective Field Theory: Quasiparticle Band Narrowing from Frozen Core Dynamics

Xiansheng Cai, Han Wang, Kun Chen ยท 2026

Kohn-Sham (KS) eigenvalues are routinely compared with angle-resolved photoemission (ARPES) and used as input for many-body methods, yet density functional theory (DFT) assigns them no physical meaninโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Identifying strong correlation using only the Kohn-Sham density of one-electron states

Daniel D. Rivera, Gustavo M. Dalpian, John P. Perdew ยท 2026

Strongly correlated systems have long been a central and highly non-trivial topic in condensed matter physics. At the non-interacting level, strong correlation can be associated with powerful (near) dโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Mapping the Milky Way with Gaia Bp/Rp spectra-IV: the broken and asymmetric density profile of the stellar disk traced by a large sample of red clumps

Wenbo Wu, Yuqin Chen, Jianhui Lian, Martin Lopez-Corredoira, Chengdong Li, Xianhao Ye, C. Allende Prieto, Xiang-Xiang Xue, Gang Zhao, Jingkun Zhao, David S. Aguado, Jonay I. Gonzalez Hernandez, Rafael Rebolo ยท 2026

This study explores the density profile of the stellar disk, radially and azimuthally, based on approximately 8.4 million red clump stars selected from Gaia Bp/Rp spectra. After correcting for selectiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Modeling the Zero-Phonon Line of Strained SnV Centers in Diamond; Including Reflections on Computational Cost and Accuracy

Danny E. P. Vanpoucke ยท 2026

Among the group-IV vacancy color centers in diamond, the SnV holds promise for photonics based quantum applications. In this work, the Tin-Vacancy (SnV) zero-phonon line (ZPL) and its pressure coefficโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Classifying magnons in itinerant ferromagnets from linear response TDDFT: Fe, Ni and Co revisited

Thorbj{o}rn Skovhus, Thomas Olsen ยท 2026

The magnetic excitation spectrum of itinerant magnets exhibits rich and complex spectral features that often complicate interpretation of the underlying physics. For perturbations in the long wavelengโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A study of the spatial evolution of the Radcliffe wave in a sample of young open star clusters

Vadim V. Bobylev, Anisa T. Bajkova, Nazar R. Ikhsanov ยท 2026

A sample of 139 young open star clusters closely associated with the Radcliffe wave is considered. Modeling their spatial distribution and kinematics over a time interval of 30 Myrs ago and 30 Myrs inโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Quantum $f$-divergences via Nussbaum-Szko{\l}a Distributions in Semifinite von Neumann Algebras

Theodoros Anastasiadis, George Androulakis ยท 2026

In this article, we prove that the quantum $f$-divergence between two normal states on a semifinite von~Neumann algebra is equal to the classical $f$-divergence between two corresponding classical staโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Multimodal Transformer for Sample-Aware Prediction of Metal-Organic Framework Properties

Seunghee Han, Jaewoong Lee, Jihan Kim ยท 2026

Metal-organic frameworks (MOFs) are a major target of machine-learning-based property prediction, yet most models assume that a single framework representation maps to a single property value. This asโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Rapidly oscillating Ap stars observed with TESS. The LAMOST Ap sample and 49 Cam

Ines Rolo, Daniel L. Holdsworth, Margarida S. Cunha, Victoria Antoci, Donald W. Kurtz, Rahul Jayaraman, Angela R. G. Santos ยท 2026

The rapidly oscillating chemically peculiar A-type (roAp) stars offer valuable insights into the internal physical processes of all stars, but their study is challenged by their rarity. The large-scalโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Stripping Symmetry: Electrochemical Oxidation to a Superconducting Polar Metal in Au2Pb0.914P2

Scott B. Lee, Stephanie R. Dulovic, Joseph W. Stiles, Xin Zhang, Fatmagul Katmer, Sudipta Chatterjee, Jaime Moya, Allana G. Iwanicki, Abby N. Neill, Chris Lygouras, Tieyan Chang, Tyrel M. McQueen, Yu-Sheng Chen, Leslie M. Schoop ยท 2026

Polar metals and noncentrosymmetric superconductors are exceptionally rare, yet their broken inversion symmetry can give rise to emergent electronic phenomena including mixed singlet-triplet supercondโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Photoinduced orbital polarization and Jahn-Teller effect in RNiO$_3$

Sangeeta Rajpurohit, Sheikh Rubaiat Ul Haque, Aaron M. Lindenberg, Peter E. Blochl, Tadashi Ogitsu ยท 2026

The orbital degree of freedom in rare-earth nickelates is typically inactive across the temperature-driven metal-insulator transition, where the system develops two inequivalent Ni sites associated wiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Spinning Living Crystals of Run-and-Tumble Particles with Environmental Feedback

Maks Pecnik Bambic, Nuno A. M. Araujo, Giorgio Volpe ยท 2026

Collective rotations are common in active matter, enhancing cohesion, transport, and mixing. They are typically attributed to chiral non-reciprocal dynamics due to intrinsic particle chirality, torqueโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Sensitivity Improvement by Sample Vibration Excitation in Resistivity Measurement for Non-Magnetic Material Using MFM

Kazuma Okamoto, Takumi Imura, Naruto Nakamura, Satoshi Abo, Katsuhisa Murakami, Masayoshi Nagao, Fujio Wakaya ยท 2026

A novel approach for measuring the electrical resistivity of non-magnetic materials using magnetic force microscopy (MFM) is discussed. In this method, MFM detects magnetic fields generated by eddy cuโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Spherical-tensor description of the Jahn--Teller--Hubbard molecule and local electron--phonon entanglement

Koichiro Takahashi, Shuichiro Ebata, Naotaka Yoshinaga, Shintaro Hoshino ยท 2026

We investigate the localized-electron character of the Mott-insulating phase in A$_3$C$_{60}$ using a single-site multiorbital electron model coupled to anisotropic molecular vibrations (Jahn--Teller โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A sample of short-lived Galactic radio transients from ASKAP VAST

Akash Anumarlapudi, David L. Kaplan, Natasha Hurley Walker, Stella Koch Ocker, Daniel Kelson, Dougal Dobie, Laura Driessen, Tara Murphy, Joshua Pritchard ยท 2026

Galactic radio transients (GRTs) are mysterious short-lived (~days to months) radio transients that are quiet at all other wavelengths. Until now, roughly half a dozen such sources have been reported,โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

GPU acceleration of plane-wave density functional theory calculations in Abinit

Ioanna-Maria Lygatsika, Marc Sarraute, Lucas Baguet, Pierre Kestener, Marc Torrent ยท 2026

We report on the GPU porting of the Abinit high-performance simulation code for plane-wave DFT calculations. Large-scale electronic structure calculations require computing the electronic wave functioโ€ฆ

Read Paper โ†’
Page 1 of 342 Next โ†’