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🔍 stefan otten 📂 Physics 📄 Preprint
Showing 28049 results for "stefan otten" in Physics · Preprint
Physics Preprint PDF DOI

Radio Frequency Field-Induced Enhancement of Detection Sensitivity in Silicon Nanowire Sensors

Ang Liu, Jingsong Shang, Jiangang J. Du, Shyamsunder Erramilli, Pritiraj Mohanty · 2026

Sensitive biomarker detection in physiological fluids is often limited by Debye screening, which suppresses electrostatic signals at sensor surfaces. Here we report a sensing approach based on flexoel…

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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 · 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 re…

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Physics Preprint PDF DOI

Mixture-aware closure of the N-phase Navier--Stokes--Cahn--Hilliard mixture model

M.F.P. ten Eikelder, A. Brunk · 2026

Diffuse-interface (phase-field) models are widely used to describe multiphase mixtures and their interfacial dynamics. In multiphase settings, however, the constitutive closure should remain meaningfu…

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Physics Preprint PDF DOI

$b \to c$ semileptonic sum rule: orbitally excited hadrons

Motoi Endo, Syuhei Iguro, Satoshi Mishima · 2026

We study semileptonic sum rules for $b \to c \tau \overline{\nu}$ transitions involving orbitally excited charm hadrons. Starting from the amplitude-level relation implied by the heavy quark symmetry,…

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Physics Preprint PDF DOI

Propelling catalytic structures using active phase separation

Benjamin Sorkin, Ned S. Wingreen · 2026

Living systems routinely consume energy to achieve motility, often using intricate biomolecular machinery. In this work, we show that active droplets can sustain indefinite self-propulsion of a spheri…

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Physics Preprint PDF DOI

Thermal Spectra Without Detailed Balance

Xingjian Lu, Shuzhe Shi · 2026

A thermal spectrum is often taken as a signature that the emitted probe has reached detailed balance with the surrounding medium. We show that this interpretation is not generally valid by studying ho…

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Physics Preprint PDF DOI

Wavelet-based multiresolution analysis of quantum fractals in confined dynamics

David Navia, Angel S. Sanz · 2026

Fractal structures naturally emerge in quantum systems whose initial states exhibit spatial discontinuities, a phenomenon first identified by Berry in the paradigmatic case of a particle confined in a…

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Physics Preprint PDF DOI

High-Girth Regular Quantum LDPC Codes from Square-Base Hypergraph Products via CPM Lifts

Koki Okada, Kenta Kasai · 2026

We study square-base Calderbank--Shor--Steane (CSS) hypergraph-product codes as a finite-length class for regular high-girth quantum low-density parity-check (LDPC) design. For base matrices of small …

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Physics Preprint PDF DOI

Data-Efficient Indentation Size Effect Correction in Steels Using Machine Learning and Physics-Guided Augmentation

Radmir Karamov, Tagir Karamov · 2026

Shallow nanoindentation enables mechanical characterization of thin films, individual phases and other volume-constrained materials, but measured hardness is often inflated by the indentation size eff…

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Physics Preprint PDF DOI

On Linear and Non-Linear Mechanics of Cyanobacterial Colonies

Yuri Z. Sinzato, Annemieke M. Drost, Dedmer B. Van de Waal, Robert Uittenbogaard, Petra M. Visser, Jef Huisman, Maziyar Jalaal · 2026

Toxic cyanobacterial blooms are a growing environmental concern that affects freshwater ecosystems, drinking water supplies, and public health. The cyanobacterium Microcystis is among the most importa…

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Physics Preprint PDF DOI

Asymmetric freezing of a sliding droplet on an inclined surface

Sivanandan Kavuri, George Karapetsas, Chander Shekhar Sharma, Kirti Chandra Sahu · 2026

We investigate the asymmetric freezing of a liquid droplet sliding on an inclined cold surface using numerical simulations based on the lubrication approximation. The combined effects of gravity, capi…

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Physics Preprint PDF DOI

Nonadiabatic Renormalization Group for Strongly Coupled Multiscale Quantum Systems

Bing Gu · 2026

Complex quantum systems are often multiscale in nature with strong interactions between different scales. We present a novel idea: iteratively suppressing, rather than tracing out, the fast, high-ener…

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Physics Preprint PDF DOI

Exotic Spin Excitation Continuum in a Weakly Coupled Quantum Chainsaw Antiferromagnet

Asiri Thennakoon, Prena Chaudhary, Sankha Subhra Bakshi, Tommy Park, Tristen Lowrey, Daniel Pajerowski, Christina Hoffmann, Junghong H. He, Hiroaki Ueda, Collin Broholm, Gia-Wei Chern, Seung-Hun Lee · 2026

Collective motions in strongly interacting magnets involve many spins and are often described in terms of integer-spin excitations. However, in certain cases, the collective motion can behave as if th…

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Physics Preprint PDF DOI

Measurement of complex scattering matrix in a nano-cavity array for boundary scattering tomography

Andrew Tang, Romil Audhkhasi, Virat Tara, Abhi Saxena, Gokul Nath, Arka Majumdar · 2026

On-chip silicon photonic coupled cavity arrays (CCA) are a promising platform for quantum simulators, with access to high Quality (Q) factor resonators, tunability, and foundry compatibility. Furtherm…

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Physics Preprint PDF DOI

Formulating Subgroup Discovery as a Quantum Optimization Problem for Network Security

Samuel Spell, Chi-Ren Shyu · 2026

While current network intrusion detection systems achieve satisfactory accuracy, they often lack explainability. Subgroup Discovery (SD) addresses this by building interpretable rules that characteriz…

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Physics Preprint PDF DOI

Coronal Diagnostics Via Modelling Periodic-Beaded Stripes of Solar Radio Bursts

Chuanyang Li, Yao Chen, Bing Wang, Yutong Li, Xiangliang Kong, Hao Ning, Sulan Ni, Shuwang Chang, Zichuan Li, Yang Gao, Zhe Cui, Li Deng, Jingye Yan, Fabao Yan · 2026

Using high-resolution data from the Chashan Broadband Solar radio spectrometer at meter wavelengths (CBSm) of the Chinese Meridian Project-Phase II (CMP-II), Li et al. (2025) identified a novel fine s…

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Physics Preprint PDF DOI

Efficient mapping of multi-constraint satisfaction problems to Rydberg platforms

Robert Gloeckner, Shahram Panahiyan, Frederik Koch, Dieter Jaksch, Joseph Doetsch · 2026

We present a hardware-native gadget framework for solving constraint satisfaction problems on Rydberg quantum computing architectures. Our approach introduces a compact $xor_1$ gadget that enforces ex…

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Physics Preprint PDF DOI

Towards Quantum Optimised Malware Containment

Matthew Sutcliffe, Ravindra Mutyamsetty · 2026

The containment of malware in computing networks may be naturally formulated as a network influence minimisation problem, in which one seeks to limit the expected spread of an infection while balancin…

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Physics Preprint PDF DOI

Development of a compact cryogenic Penning trap with permanent magnets: An intermediate step toward the Shanghai Penning Trap

Tianhang Zhang, Jiawei Wang, Jialin Liu, Jingtian Wei, Jiaxuan Ji, Jifei Wu, Zichen Su, Yiming Xie, Liangyu Huang, Ke Yao, Yang Shen, Yaming Zou, Baoren Wei, Bingsheng Tu · 2026

Penning traps, renowned for their unparalleled precision in determining fundamental properties such as mass and magnetic moments, are cornerstone instruments in modern physics. Their applications span…

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Physics Preprint PDF DOI

36Cl Concentrations from Polar Ice Cores Set New Constraints on the Carrington Event

F. Mekhaldi, C. I. Paleari, A. M. Smith, A. Aldahan, J. Beer, M. Christl, C. Vockenhuber, H. Hayakawa, M. Curran, T. Erhardt, C. Plummer, K. Simon, K. Wilcken, M. Zheng, R. Muscheler · 2026

The Carrington event of 1859 CE is considered as one of the largest geomagnetic storms of the observational era, and often used as a benchmark for a worst-case scenario. Yet, there exists no robust ev…

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