papers

Publications (6)

physics.app-ph2025

Demonstration of an AI-driven workflow for dynamic x-ray spectroscopy

Ming Du, Mark Wolfman, Chengjun Sun +2

X-ray absorption near edge structure (XANES) spectroscopy is a powerful technique for characterizing the chemical state and symmetry of individual elements within materials, but re…

cs.IT2024

A Signature Based Approach Towards Global Channel Charting with Ultra Low Complexity

Longhai Zhao, Yunchuan Yang, Qi Xiong +4

Channel charting, an unsupervised learning method that learns a low-dimensional representation from channel information to preserve geometrical property of physical space of user e…

cond-mat.str-el2019

Pressure enhanced interplay among lattice, spin and charge in La2FeMnO6 mixed perovskite

Nana Li, Fengren Fan, Fei Sun +16

Spin crossover plays a central role in the structural instability, net magnetic moment modification, metallization, and even in superconductivity in corresponding materials. Most r…

physics.chem-ph2025

Molecular Insights into Yb(III) Speciation in Sulfate-Bearing Hydrothermal Fluids from X-ray Absorption Spectra Informed by ab initio Molecular Dynamics

Xiaodong Zhao, Duo Song, Sebastian Mergelsberg +9

Rare earth elements (REEs) are critical for advanced technologies, yet in hydrothermal aqueous solutions the molecular level details of their interaction with ligands that control…

physics.comp-ph2025

Robust Machine Learning Inference from X-ray Absorption Near Edge Spectra through Featurization

Yiming Chen, Chi Chen, Inhui Hwang +9

X-ray absorption spectroscopy (XAS) is a commonly-employed technique for characterizing functional materials. In particular, x-ray absorption near edge spectra (XANES) encodes loca…

cs.IT2022

Deep Reinforcement Learning Coordinated Receiver Beamforming for Millimeter-Wave Train-ground Communications

Xutao Zhou, Xiangfei Zhang, Chen Chen +6

As more and more people choose high-speed rail (HSR) as a means of transportation for short trips, there is ever growing demand of high quality of multimedia services. With its ric…