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We present a proof-of-principle experiment in which the population of an atomic level is spatially localized using the technique of electromagnetically-induced transparency (EIT). The key idea is to utilize the sensitive dependence of the…

原子物理 · 物理学 2015-05-20 N. A. Proite , Z. J. Simmons , D. D. Yavuz

Recording atomic-resolution transmission electron microscopy (TEM) images is becoming increasingly routine. A new bottleneck is then analyzing this information, which often involves time-consuming manual structural identification. We have…

This thesis presents a solution that enables aerial robots to reason about surrounding wind flow fields in real time using on board sensors and embedded flight hardware. The core novelty of this research is the fusion of range measurements…

机器人学 · 计算机科学 2026-04-02 Spencer Folk

In this tutorial we summarize the physics and mathematics behind refractive electromagnetic wave bending and delay. Refractive bending and delay through the Earth's atmosphere at both radio/millimetric and optical/IR wavelengths are…

天体物理仪器与方法 · 物理学 2015-06-23 Jeffrey G. Mangum , Patrick Wallace

Harvesting the gain of a large number of antennas in a mmWave band has mainly been relying on the costly operation of channel state information (CSI) acquisition and cumbersome phase shifters. Recent works have started to investigate the…

信息论 · 计算机科学 2016-08-24 Lishuai Jing , Elisabeth De Carvalho , Petar Popovski , Alex Oliveras Martinez

Modeling the time-dependent evolution of electron density is essential for understanding quantum mechanical behaviors of condensed matter and enabling predictive simulations in spectroscopy, photochemistry, and ultrafast science. Yet, while…

计算物理 · 物理学 2025-09-03 Yuan Chiang , Youngsoo Choi , Daniel Osei-Kuffuor

Effective hydrological modeling and extreme weather analysis demand precipitation data at a kilometer-scale resolution, which is significantly finer than the 10 km scale offered by standard global products like IMERG. To address this, we…

机器学习 · 计算机科学 2025-07-03 Chugang Yi , Minghan Yu , Weikang Qian , Yixin Wen , Haizhao Yang

For many complex materials systems, low-energy electron microscopy (LEEM) offers detailed insights into morphology and crystallography by naturally combining real-space and reciprocal-space information. Its unique strength, however, is that…

Surface integral equation (SIE) methods are of great interest for the efficient electromagnetic modeling of various devices, from integrated circuits to antenna arrays. Existing acceleration algorithms for SIEs, such as the adaptive…

计算工程、金融与科学 · 计算机科学 2021-07-13 Shashwat Sharma , Piero Triverio

To unlock access to stronger winds, the offshore wind industry is advancing towards significantly larger and taller wind turbines. This massive upscaling motivates a departure from wind forecasting methods that traditionally focused on a…

机器学习 · 计算机科学 2025-11-18 Feng Ye , Xinxi Zhang , Michael Stein , Ahmed Aziz Ezzat

Mesoscale eddies are of utmost importance in understanding ocean dynamics and the transport of heat, salt, and nutrients. Accurate representation of these eddies in ocean models is essential for improving model predictions. However,…

流体动力学 · 物理学 2024-06-07 Guosong Wang , Min Hou , Xinrong Wu , Xidong Wang , Zhigang Gao , Hongli Fu , Bo Dan , Chunjian Sun , Xiaoshuang Zhang

Autonomous underwater vehicles (AUVs) are robotic platforms that are commonly used to map the sea floor, for example for benthic surveys or for naval mine countermeasures (MCM) operations. AUVs create an acoustic image of the survey area,…

机器人学 · 计算机科学 2018-11-13 Chris Denniston , Thomas R. Krogstad , Stephanie Kemna , Gaurav S. Sukhatme

Constant-curvature Riemannian manifolds (CCMs) have been shown to be ideal embedding spaces in many application domains, as their non-Euclidean geometry can naturally account for some relevant properties of data, like hierarchy and…

机器学习 · 计算机科学 2019-05-27 Daniele Grattarola , Lorenzo Livi , Cesare Alippi

As exposure to electromagnetic waves becomes increasingly widespread, it is important to quantify how incident fields couple into biological tissue and where absorbed energy is deposited. This work presents an analytical, physics based…

生物物理 · 物理学 2026-04-09 Hongyun Wang , Shannon E. Foley , Hong Zhou

Marine seismic exploration is a core technology supporting marine resource exploration, seabed detection, carbon sequestration monitoring, and offshore engineering safety. The integration of full-waveform inversion (FWI), elastic inversion,…

地球物理 · 物理学 2026-05-05 Guoxin Chen

Geomagnetic surveys provide insight into the subsurface for a range of applications, from fundamental understanding of geological processes, to mineral exploration and locating unexploded ordnance. A persistent challenge in performing such…

The multi-beam measurement system plays a crucial role in ocean mapping and underwater terrain detection. By simultaneously transmitting multiple beams, the system can accurately receive sound waves reflected from the seabed, providing more…

数值分析 · 数学 2024-07-12 Chuangqi Li , Yuhang Wang , Fan Hu

*To be published in Springer Handbook of Surface Science (Springer Verlag) [Preprint]* The capability to display images containing chemical, magnetic and structural information and to perform spectroscopy and diffraction from a {\mu}m-sized…

介观与纳米尺度物理 · 物理学 2018-12-06 Alessandro Sala

Semiconductor crosshatch patterns in thin film heterostructures form as a result of strain relaxation processes and dislocation pile-ups during growth of lattice mismatched materials. Due to their connection with the internal misfit…

Unmanned aerial vehicle (UAV)-assisted communication becomes a promising technique to realize the beyond fifth generation (5G) wireless networks, due to the high mobility and maneuverability of UAVs which can adapt to heterogeneous…

信号处理 · 电气工程与系统科学 2020-09-17 Chang Liu , Weijie Yuan , Zhiqiang Wei , Xuemeng Liu , Derrick Wing Kwan Ng