Expertini Research Research

Browse Research Papers

33,010+ open-access research outputs.

โœ• Clear
๐Ÿ” colin defant ๐Ÿ“‚ Physics
Showing 33010 results for "colin defant" in Physics
Physics Preprint PDF DOI

Quantifying Thermal, Photovoltage, and Defect Contributions to Transient Absorption of Ta$_{3}$N$_{5}$ Photoanodes

Johannes Dittloff, Lukas M. Wolz, Matthias U. Quintern, Laura I. Wagner, Matthias Kuhl, Johanna Eichhorn, Ian D. Sharp ยท 2026

Ta$_{3}$N$_{5}$ is among the most intensively studied photoanode materials for solar-driven water oxidation, yet its performance often remains limited by short carrier lifetimes and defect mediated reโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Protein folding on a 64 qubit trapped-ion hardware via counterdiabatic quantum optimization

Alejandro Gomez Cadavid, Pavle Nikacevic, Pranav Chandarana, Sebastian V. Romero, Enrique Solano, Narendra N. Hegade, Miguel Angel Lopez-Ruiz, Claudio Girotto, Hanna Linn, Hakan Doga, Evgeny Epifanovsky, Panagiotis Kl. Barkoutsos, Ananth Kaushik, Martin Roetteler ยท 2026

We report the largest trapped-ion hardware demonstration of lattice protein-folding optimization to date, using bias-field digitized counterdiabatic quantum optimization (BF-DCQO) on a fully connectedโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Programmable Persistent Random Walks in Active Brownian Particles Govern Emergent Dynamics

Tarun Sunkesula Raghavendra, Yogesh Shelke, Stijn van der Ham, Anpuj Nair S, Hanumantha Rao Vutukuri ยท 2026

Self-propelled particles serve as minimal models for emulating the dynamic self-organization of microorganisms, yet most synthetic systems remain limited to a single mode of motion, namely active Browโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Probing black holes with equivariant localization

Pietro Benetti Genolini, Christopher Couzens, Alice Luscher ยท 2026

We introduce equivariant localization as a method for computing the action of probe branes in supergravity backgrounds. We apply it to supersymmetric probe D3-branes in type IIB supersymmetric spacetiโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

The link between coil non planarity and magnetic surface geometry in QI stellarators: a data driven study

Andrea Pavone, Felix Warmer ยท 2026

Stellarator fusion devices confine plasma by means of complex, non-planar electromagnetic coils. Understanding how the shape of the plasma boundary determines the required complexity of the coil set iโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A self-evolving agent for explainable diagnosis of DFT-experiment band-gap mismatch

Yue Li, Bijun Tang ยท 2026

Standard density functional theory (DFT) routinely misclassifies the electronic ground state of correlated and structurally complex compounds, predicting metallic behaviour for materials that experimeโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Compartment Modelling of Multiphase Reactors using Unsupervised Clustering

Michael Mitterlindner, Maximilian Graber, Regina Kratzer, Markus Reichhartinger, Stefan Radl ยท 2026

Detailed Computational Fluid Dynamics (CFD) simulations are too computationally expensive for the real-time control and design optimization of multiphase flow reactors. To address these limitations, wโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Least constraint approach to non-relativistic quantum mechanics

Ning Liu ยท 2026

We formulate a variational principle for non-relativistic quantum mechanics inspired by Gauss's principle of least constraint. We define a quantum constraint functional as the probability-weighted squโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Gravitational Properties of the Monopole Bag

Yu Komiya, Fumihiro Takayama ยท 2026

Axionic cosmologies constitute a class of models with phenomenologically rich symmetry breaking in the early universe. In the case where monopoles are present in such a background, the axion profile mโ€ฆ

Read Paper โ†’
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 ยท 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 thatโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Kinetics of segregation of topologically-modified ring polymers in cylindrical confinement

Harsh Doshi, Shreerang Pande, Sathish K. Sukumaran, Apratim Chatterji ยท 2026

In Escherichia coli (E. coli), entropic repulsion between the two daughter DNA ring polymers under cylindrical confinement is believed to be an important factor governing chromosomal segregation. The โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Near-field Meta-optics

Dongyoung Lee, Sehwan Kim, Jisoo Kyoung ยท 2026

Metasurfaces have revolutionized compact wavefront control using planar, subwavelength structures. However, conventional meta-optical devices predominantly operate within a far-field paradigm, assuminโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Exposing impostor Majorana zero modes through atomic-scale shot-noise

A. Maiti, G. D. Gu, F. Massee ยท 2026

A robust zero-bias conductance peak in putative $p$-wave superconductors is often regarded as the primary signature of a Majorana zero mode. Yet similar features can also arise from trivial bound statโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Lattice Topological Defects in Non-Unitary Conformal Field Theories

Madhav Sinha, Thiago Silva Tavares, Hubert Saleur, Ananda Roy ยท 2026

Topological defects play a fundamental role in the investigation of symmetries in quantum field theories. For conformal field theories in two space-time dimensions, it is possible to construct these dโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Beyond Single Trajectories: Optimal Control and Jordan-Lie Algebra in Hybrid Quantum Walks for Combinatorial Optimization

Tianen Chen, Yun Shang ยท 2026

The Quantum Approximate Optimization Algorithm (QAOA) follows a single, fixed evolution path, overlooking the potential computational advantage of coherently superposing multiple trajectories. Here weโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Chemical transformation of MgH2/V2O5 composite to Mg-V-O rock salt and its influence on the electrochemical Li conversion and hydrogen storage characteristics of MgH2

D. Pukazhselvan, Ihsan Caha, Francisco J.A. Loureiro, Francis Leonard Deepak, Catarina de Lemos, Aliaksandr L. Shaula, Sergey M. Mikhalev, Duncan Paul Fagg ยท 2026

This study investigates the lithium conversion behavior of a hydrogen storage material based on vanadium oxide added magnesium hydride. To understand the chemical interaction between vanadium oxide anโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Nanoscale Sensing of Solid-State Samples with High Frequency Resolution

P. Alsina-Bolivar, I. Iriarte-Zendoia, D. B. Bucher, J. Casanova ยท 2026

To meet the growing demand for nanoscale surface analysis, nitrogen-vacancy (NV) centers offer a high-sensitivity alternative by leveraging their ability to operate in immediate proximity to the samplโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Collective and separate metal-insulator transitions in correlated vanadium dioxide

Xuanchi Zhou, Xiaohui Yao, Wentian Lu, Chunwei Yao, Xiaomei Qiao ยท 2026

Deciphering the complicated interplay between collective and separate behaviors lies at the heart of first-order metal-insulator transition (MIT) in correlated electron systems, enabling the rational 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

Near-identical photons from distant quantum dot-cavity devices

Thibaut Pollet, Victor Guilloux, Duc-Duy Tran, Anton Pishchagin, Stephen Wein, Joseph A. Sulpizio, William Hease, Petr Stepanov, Petr Steindl, Nico Margaria, Samuel Mister, Martina Morassi, Aristide Lemaitre, Thi Huong Au, Sebastien Boissier, Pascale Senellart ยท 2026

Scalable optical quantum technologies require interference between large numbers of indistinguishable single-photons emitted by independent sources. Semiconductor quantum dots are known to be excellenโ€ฆ

Read Paper โ†’
Page 1 of 1651 Next โ†’