arXiv Machine Learning By Sankalp Pandey, Xuan-Bac Nguyen, Hoang-Quan Nguyen, Tim Faltermeier, Nicholas Borys, Hugh Churchill, Khoa Luu

QuPAINT: Physics-Aware Multimodal Reasoning for Quantum Material Characterization

Read the original on arXiv Machine Learning →

QuPAINT is a physics‑aware multimodal framework designed to characterize two‑dimensional quantum materials using optical microscopy. It employs the Synthetic Materials Framework (Synthia) to generate diverse synthetic images that preserve layer‑dependent optical behavior, and builds the QMat‑Instruct dataset with image‑specific reasoning traces. The framework integrates these signals through Physics‑Informed Attention (PIA) and is evaluated on the newly introduced QF‑Bench benchmark, achieving state‑of‑the‑art performance for flake detection and demonstrating improved spatial grounding and confidence calibration.

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CoQui: A Coordinate-Conditioned Quantum Implicit Generative Adversarial Network for End-to-End Image Generation

Quantum generative adversarial networks (QGANs) have attracted increasing attention for image generation using parameterized quantum circuits. Existing amplitude-based approaches face two key limitations: pixel locations are typically encoded by computational-basis indices or address qubits, causing quantum resources to grow with image resolution; meanwhile, jointly decoding many pixels from normalized quantum states introduces probability competition among pixels and limits precise pixel-wise control.