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Computer Science Preprint PDF DOI

From Mirage to Grounding: Towards Reliable Multimodal Circuit-to-Verilog Code Generation

Guang Yang, Xing Hu, Xiang Chen, Xin Xi · 2026

Multimodal large language models (MLLMs) are increasingly used to translate visual artifacts into code, from UI mockups into HTML to scientific plots into Python scripts. A circuit diagram can be view…

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Computer Science Preprint PDF DOI

New Diameter Approximations via Distance Oracle Techniques

Yael Kirkpatrick, Liam Roditty, Richard Qi, Virginia Vassilevska Williams · 2026

Computing the diameter of a graph is a problem of great interest both in general algorithms research and specifically within fine-grained complexity, where it is a cornerstone hard problem. Recent wor…

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Physics Preprint PDF DOI

Flat band in multiband-metal MnSb$_2$

Carl Jonas Linnemann, Kim-Khuong Huynh, Davide Ceresoli, Martin Bremholm · 2026

Marcasite compounds formed between $3d$ transition metals and antimony (TMSb$_2$) have been heavily studied due to their intriguing physical properties. For instance they can possess flat bands in the…

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Physics Preprint PDF DOI

Evolution of the Saddle Point in Antimony Telluride Homologous Superlattices

Yi-Hsin Shen, Shane Smolenski, Ming Wen, Yimo Hou, Eoghan Downey, Jakob Hammond-Renfro, Katharine Moncrieffe, Chun Lin, Makoto Hashimoto, Donghui Lu, Kai Sun, Dominika Zgid, Emanuel Gull, Pierre Ferdinand P. Poudeu, Na Hyun Jo, Rachel S. Goldman · 2026

Combining topological insulators with topological semimetals in the form of homologous superlattices is a promising approach for generating correlated quantum matter based upon Fermi level alignment w…

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Physics Preprint PDF DOI

Spin Kerr-cat qubits

Z. M. McIntyre, Daniel Loss · 2026

The use of noise-robust qubit encodings provides a way of extending the lifetime of quantum information at the hardware level. In this work, we introduce the spin Kerr-cat encoding, which leverages a …

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AI & Data Science Preprint PDF DOI

Aethon: A Reference-Based Replication Primitive for Constant-Time Instantiation of Stateful AI Agents

Swanand Rao, Kiran Kashalkar, Parvathi Somashekar, Priya Krishnan · 2026

The transition from stateless model inference to stateful agentic execution is reshaping the systems assumptions underlying modern AI infrastructure. While large language models have made persistent, …

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Chemistry Preprint PDF DOI

Does the total energy difference method for modelling core level photoemission fail for bigger molecules?

Marta Berholts, Tanel Kaambre, Arvo Tonisoo, Rainer Parna, Vambola Kisand, Juhan Matthias Kahk · 2026

The $\Delta$-Self-Consistent-Field ($\Delta$SCF) method permits calculations of core electron binding energies in materials and molecules at a modest computational cost. However, it has been reported …

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AI & Data Science Preprint PDF DOI

SYNTHONY: A Stress-Aware, Intent-Conditioned Agent for Deep Tabular Generative Models Selection

Hochan Son, Xiaofeng Lin, Jason Ni, Guang Cheng · 2026

Deep generative models for tabular data (GANs, diffusion models, and LLM-based generators) exhibit highly non-uniform behavior across datasets; the best-performing synthesizer family depends strongly …

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AI & Data Science Preprint PDF DOI

A visual observation on the geometry of UMAP projections of the difference vectors of antonym and synonym word pair embeddings

Rami Luisto · 2026

Antonyms, or opposites, are sometimes defined as \emph{word pairs that have all of the same contextually relevant properties but one}. Seeing how transformer models seem to encode concepts as directio…

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Physics Preprint PDF DOI

Plasmonics of non-noble metals

Michal Horak, Michael Foltyn, Viktor Bajo, Petr Dub, Tomas Sikola · 2026

Localized surface plasmon resonances are self-sustained, collective oscillations of free electrons in metallic nanostructures. They have a wide range of applications. The most common plasmonic metals …

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Physics Preprint PDF DOI

Electromechanical Hysteresis in Phase Change Material Sb2S3

Jack Kaman, Evan Musterman, Kyle P. Kelley, Neus Domingo-Marimon, Volkmar Dierolf, Himanshu Jain · 2026

Antimony sulfide is an emerging phase change material for optical and electrical memory and computation elements. It has additionally been reported as a ferroelectric, with recent evidence from hyster…

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Physics Preprint PDF DOI

First-principles discovery of stable, anisotropic, semiconducting Sb2X2O (X = S, Se) and Janus Sb2SSeO nanosheets for optoelectronics and photocatalysis

Masoud Shahrokhi, Bohayra Mortazavi · 2026

In this work, we conduct a comprehensive first-principles investigation into the design and discovery of novel antimony oxychalcogenide monolayers Sb2X2O (X = S, Se) and Janus Sb2SSeO, examining their…

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Physics Preprint PDF DOI

Temperature dependence of electronic conductivity from ab initio thermal simulation

Ridwan Hussein, Chinonso Ugwumadu, Kishor Nepal, Roxanne M. Tutchton, Keerti Kappagantula, David Alan Drabold · 2026

We present a temperature-dependent extension of the approximate electronic conductivity formula of Hindley and Mott that leverages time-averaged fluctuations of the electronic density of states obtain…

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Biology & Life Sciences Preprint PDF DOI

BioModelsRAG: A Biological Modeling Assistant Using RAG (Retrieval Augmented Generation)

Bhavyahshree Navaneetha Krishnan, Adel Heydarabadipour, Herbert Sauro · 2026

The BioModels database is one of the premier databases for computational models in systems biology. The database contains over 1000 curated models and an even larger number of non-curated models. All …

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Mathematics Preprint PDF DOI

Tensor decomposition of Demazure crystals for symmetrizable Kac-Moody Lie algebras

Divya Setia · 2026

We study the tensor product of Demazure crystals for symmetrizable Kac-Moody Lie algebras. It is not necessary that the tensor product of Demazure crystals is isomorphic to a disjoint union of Demazur…

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AI & Data Science Preprint PDF DOI

Beyond Cosine Similarity: Taming Semantic Drift and Antonym Intrusion in a 15-Million Node Turkish Synonym Graph

Ebubekir Tosun, Mehmet Emin Buldur, Ozay Ezerceli, Mahmoud ElHussieni · 2026

Neural embeddings have a notorious blind spot: they can't reliably tell synonyms apart from antonyms. Consequently, increasing similarity thresholds often fails to prevent opposites from being grouped…

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Physics Preprint PDF DOI

Multilayer Q-BIC-like Optical Filters with High Throughput Direct-Write Multilayer Lithography

A. Bilgehan Baspinar, Phillippe Pearson, Andrei Faraon · 2026

Multilayer metasurfaces provide substantially greater spectral design freedom than single-layer devices, yet their implementation in the visible and near-infrared remains limited by the complexity, co…

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Physics Preprint PDF DOI

Photon Echo in Uniaxially Stressed Germanium with Antimony Donors

R.Kh. Zhukavin, V.D. Kukotenko, P.A. Bushuykin, Yu.Yu. Choporova, N.D. Osintseva, K.A. Kovalevsky, V.V. Tsyplenkov, V.V. Gerasimov, N. Dessmann, N.V. Abrosimov, V.N. Shastin · 2025

Photon echo is observed in n-type Ge uniaxially stressed along the [111] crystallographic direction, with a coherence relaxation time of 300 ps. The nonlinear polarization responsible for the effect o…

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Physics Preprint PDF DOI

Low loss switchable topological photonic crystal enabled by submicron-scale patterning and phase-change of Sb2Se3

Takahiro Uemura, Yuto Moritake, Eiichi Kuramochi, Masaaki Ono, Hisashi Sumikura, Masaya Notomi · 2025

Photonic topological insulators (PTIs) offer robust platforms for light manipulation, but reconfigurable control of their topological properties without degrading performance remains a major challenge…

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Physics Preprint PDF DOI

Temperature and Pressure Dependent Vibrational Properties of Pristine and Doped Vacancy-Ordered Double Perovskite

Aalok Tiwari, Karamjyoti Panigrahi, Mrinmay Sahu, Sayan Bhattacharyya, Goutam Dev Mukherjee · 2025

Understanding lattice dynamics and structural transitions in vacancy-ordered double perovskites is crucial for developing lead-free optoelectronic materials, yet the role of dopants in modulatingthese…

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