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๐Ÿ” aki vehtari ๐Ÿ“‚ Physics
Showing 3307 results for "aki vehtari" in Physics
Physics Preprint PDF DOI

Simulating dynamics of RLC circuits with a quantum differential-algebraic equations solver

Arkopal Dutt, Anirban Chowdhury, Kristan Temme, Hari Krovi ยท 2026

We introduce a quantum algorithm for simulating the dynamics of electrical circuits consisting of resistors, inductors and capacitors (aka RLC circuits) along with power sources. Given oracle access tโ€ฆ

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Explainable AI for Jet Tagging: A Comparative Study of GNNExplainer, GNNShap, and GradCAM for Jet Tagging in the Lund Jet Plane

Pahal D. Patel, Sanmay Ganguly ยท 2026

Graph neural networks such as ParticleNet and transformer based networks on point clouds such as ParticleTransformer achieve state-of-the-art performance on jet tagging benchmarks at the Large Hadron โ€ฆ

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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

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Physics Preprint PDF DOI

Enhancing Phase Retrievability of Quantum Channels via Interferometric Coupling

Kai Liu, Deguang Han, Omar Nour ยท 2026

Phase retrievability of a quantum channel asks whether pure states can be reconstructed from suitable measurements. In this paper, we study this problem from three complementary viewpoints: quantum inโ€ฆ

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Physics Preprint PDF DOI

Contextuality from the Projector Overlap Matrix

Ali Can Gunhan, Semahi Serhat Aksoy, Zafer Gedik ยท 2026

We place several known indicators of Kochen--Specker contextuality -- the KCBS correlator $\chi$, the contextual fraction $\CF$, the Shannon-entropic $n$-cycle inequality of Chaves and Fritz, and the โ€ฆ

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Physics Preprint PDF DOI

Universal Interpretation of Hidden Zero and $2$-Split of Tree-Level Amplitudes Using Feynman Diagrams, Part $\mathbf{I}$: ${\rm Tr}(\phi^3)$, NLSM and YM

Kang Zhou ยท 2026

In this paper, we propose a universal diagrammatic interpretation of hidden zeros and $2$-splits of tree-level amplitudes. Originally developed for ${\rm Tr}(\phi^3)$ amplitudes in our previous work, โ€ฆ

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Physics Preprint PDF DOI

Phenomenological Detector Design and Optimization in Vertically-Integrated Differentiable Full Simulations with Agentic-AI

Wonyong Chung, Qibin Liu, Liangyu Wu, Julia Gonski ยท 2026

We present the first implementation of AI agents into the design and optimization of detectors in high-energy physics experiments via a bilevel optimization framework that vertically integrates detectโ€ฆ

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Physics Preprint PDF DOI

Second-order topology in two-dimensional azulenoid kekulene carbon lattices

Xiaorong Zou, Hyeon Suk Shin, Chang-Jong Kang, Baibiao Huang, Yanmei Zang, Ying Dai, Chengwang Niu, Chang Woo Myung ยท 2026

The discovery of higher-order topological insulator (HOTI) has established a new paradigm for understanding symmetry-constrained boundary electronic states. Here, based on first-principles calculationโ€ฆ

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Physics Preprint PDF DOI

AI models of unstable flow exhibit hallucination

Ramdhan Wibawa, Birendra Jha ยท 2026

We report the first systematic evidence of hallucination in AI models of fluid dynamics, demonstrated in the canonical problem of hydrodynamically unstable transport known as viscous fingering. AI-basโ€ฆ

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Physics Preprint PDF DOI

Rippled graphene pores as fluidic memristive devices with synaptic and neuromorphic functionalities

Wenzhe Zhou, Dongjiao Ge, Ao Zhang, Jincheng Xu, Yu Ji, Yiran Gong, Wenchang Zhang, Jidong Li, Li Lin, Zhiping Xu, Pengzhan Sun ยท 2026

Nanofluidic memristive devices work with nanoscale pores and ions dissolved in water, which harness the ionic memory effect aiming to store and process information. These devices share the same chargeโ€ฆ

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Seeing at Timau National Observatory Based on ERA5 Dataset

Rhorom Priyatikanto, Gerhana P. Putri, Clara Y. Yatini, Isfahani Rusyda, Evan I. Akbar, Agustinus G. Admiranto, Ferdhiansyah Noor, Siti Maryam, Elyyani, Abd Rachman ยท 2026

Understanding the seeing conditions is crucial for astronomical observations using a ground-based telescope. This study analyzes long-term atmospheric data (2002-2021) from the ERA5 dataset to assess โ€ฆ

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Molecular Clouds at the Edge of the Galaxy II. Physical properties and scaling relations

C. S. Luo, X. D. Tang, C. Henkel, Y. Sun, Y. Gong, X. W. Zheng, T. Liu, X. Lu, Y. P. Ao, X. P. Chen, D. L. Li, Y. X. He, K. Wang, J. W. Wu, J. Esimbek, J. J. Zhou, G. Wu, Y. X. Ma, W. A. Baan, J. J. Qiu, X. Zhao, J. S. Li, Q. Zhao, L. D. Liu, C. Y. Wang ยท 2026

The outer Galaxy presents an optimal setting for investigating molecular clouds and star formation in environments with low metallicity. A total of 72 Galactic edge clouds were surveyed using the CO\,โ€ฆ

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Hydrodynamic theory of chemically active emulsions

Efe Ilker, Kathrin Laxhuber, Jean-Francois Joanny, Frank Julicher ยท 2026

We present a systematic theory of chemically active emulsions in the hydrodynamic limit by constructing a thermodynamically consistent framework in which the equilibrium is broken by chemo-stating of โ€ฆ

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Unconventional plasmon dynamics due to strong correlations in Sr$_2$RuO$_4$

Juraj Krsnik, Dino Novko, Fabian B. Kugler, Osor S. Barisic, Karsten Held ยท 2026

Plasmon modes, their dispersion, and the onset of damping when approaching the electron-hole continuum are well understood when electron correlations are weak. However, we know little about how this pโ€ฆ

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AI-Enabled Decoding of Qubit Loss for Quantum Error-Correcting Codes

Yuqing Wang, Xiaotian Nie, Jiale Dai, Zhongyi Ni, Tao Zhang, Hui Zhai, Linghui Chen ยท 2026

Qubit loss is a major source of error in quantum computation, as it invalidates the algebraic structure of the standard stabilizer formalism for quantum error-correcting codes. On the one hand, it comโ€ฆ

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AI-assisted modeling and Bayesian inference of unpolarized quark transverse momentum distributions from Drell-Yan data

Zhong-Bo Kang, Luke Sellers, Congyue Zhang, Curtis Zhou ยท 2026

We present an extraction of unpolarized quark transverse-momentum-dependent parton distribution functions (TMD PDFs) from Drell-Yan data within a Bayesian inference framework, incorporating artificialโ€ฆ

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Unfolding unstable skyrmionic polarization textures

Nilo Mata-Cervera, Zhenyu Guo, Yijie Shen ยท 2026

Polarization of light can form skyrmionic textures, akin to nonlinear solitons in condensed matter, yet their disparate physical context has motivated extensive debate regarding their stability. Here โ€ฆ

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Quantum chaos in many-body systems of indistinguishable particles

Juan-Diego Urbina, Klaus Richter ยท 2026

In quantum systems with a classical limit, advanced semiclassical methods provide the crucial link between phase-space structures, reflecting the distinction between chaotic, mixed or integrable classโ€ฆ

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Bicuspid Valve Closure and Backflow Prevention: Role of Leaflet Geometry

B. Kaoui, A. Bou Orm, P. Navet, J. Baish, L.L. Munn ยท 2026

Bicuspid valves with crescent-shaped leaflets are found in lymphatic vessels and veins, where their primary function is to prevent reflux and ensure unidirectional flow toward the heart. These valves โ€ฆ

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SMC-AI: Scaling Monte Carlo Simulation to Four Trillion Atoms with AI Accelerators

Xianglin Liu, Kai Yang, Fanli Zhou, Yongxiang Liu, Hao Chen, Yijia Zhang, Dengdong Fan, Wenbo Li, Bingqiang Wang, Shixun Zhang, Pengxiang Xu, Yonghong Tian ยท 2026

The rapid advancement of deep learning is reshaping the hardware design landscape toward AI tasks, posing fundamental challenges for HPC workloads such as atomistic simulation. Here we present SMC-AI,โ€ฆ

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