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The rapid development of nanoscience and nanotechnology in the last two decades was stimulated by the emergence of scanning probe microscopy (SPM) techniques capable of accessing local material properties, including transport, mechanical,…

Spiking Neural Networks (SNNs) offer a biologically inspired computational paradigm, enabling energy-efficient data processing through spike-based information transmission. Despite notable advancements in hardware for SNNs, spike encoding…

信号处理 · 电气工程与系统科学 2025-06-03 MHD Anas Alsakkal , Runze Wang , Piotr Dudek , Jayawan Wijekoon

We propose a novel experimental probe for cold atomic gases analogous to the scanning tunnelling microscope (STM) in condensed matter. This probe uses the coherent coupling of a single particle to the system. Depending on the measurement…

强关联电子 · 物理学 2008-03-01 Corinna Kollath , Michael Köhl , Thierry Giamarchi

I define the Standard Supersymmetric Model (SSM) as the minimal supersymmetric extension ofthe Standard Model with gauge coupling unification and universal soft supersymmetry breaking at the unification scale. This well-defined model has a…

高能物理 - 唯象学 · 物理学 2007-05-23 S. Kelley

Concepts from information geometry are used to analyse parameter sensitivity for a nuclear energy density functional, representative of a class of semi-empirical functionals that start from a microscopically motivated ansatz for the density…

核理论 · 物理学 2016-08-29 Tamara Niksic , Dario Vretenar

By using scattering in near field techniques, a microscope can be easily turned into a device measuring static and dynamic light scattering, very useful for the characterization of nanoparticle dispersions. Up to now, microscopy based…

光学 · 物理学 2015-05-13 D. Brogioli , D. Salerno , V. Cassina , F. Mantegazza

Imaging through scattering is a pervasive and difficult problem in many biological applications. The high background and the exponentially attenuated target signals due to scattering fundamentally limits the imaging depth of fluorescence…

信号处理 · 电气工程与系统科学 2023-12-11 Jeffrey Alido , Joseph Greene , Yujia Xue , Guorong Hu , Yunzhe Li , Mitchell Gilmore , Kevin J. Monk , Brett T. DiBenedictis , Ian G. Davison , Lei Tian

Scanning X-ray nanodiffraction microscopy is a powerful technique for spatially resolving nanoscale structural morphologies by diffraction contrast. One of the critical challenges in experimental nanodiffraction data analysis is posed by…

应用物理 · 物理学 2024-06-26 Aileen Luo , Tao Zhou , Martin V. Holt , Andrej Singer , Mathew J. Cherukara

This work is concerned with a direct sampling method (DSM) for inverse acoustic scattering problems using far-field data. The method characterizes some unknown obstacles, inhomogeneous media or cracks, directly through an indicator function…

数学物理 · 物理学 2012-12-27 Jingzhi Li , Jun Zou

Sintering, as a thermal process at elevated temperature below the melting point, is widely used to bond contacting particles into engineering products such as ceramics, metals, polymers, and cemented carbides. Modelling and simulation as…

材料科学 · 物理学 2023-02-13 Min Yi , Wenxuan Wang , Ming Xue , Qihua Gong , Bai-Xiang Xu

Norm-conserving pseudopotentials are used by a significant number of electronic-structure packages, but the practical differences among codes in the handling of the associated data hinder their interoperability and make it difficult to…

计算物理 · 物理学 2020-06-02 Alberto García , Matthieu Verstraete , Yann Pouillon , Javier Junquera

In this paper, we review spatial light interference microscopy (SLIM), a common-path, phase-shifting interferometer, built onto a phase-contrast microscope, with white-light illumination. As one of the most sensitive quantitative phase…

光学 · 物理学 2020-12-17 Xi Chen , Mikhail E. Kandel , Gabriel Popescu

ScopeSim is a flexible multipurpose instrument data simulation framework built in Python. It enables both raw and reduced observation data to be simulated for a wide range of telescopes and instruments quickly and efficiently on a personal…

天体物理仪器与方法 · 物理学 2021-09-29 Kieran Leschinski , Hugo Buddelmeijer , Oliver Czoske , Miguel Verdugo , Gijs Verdoes-Kleijn , Werner Zeilinger

The electrical response of a material when illuminated with light is a key to many optoelectronic device applications. This so-called photoresponse typically has a non-uniform spatial distribution through the active device area, and the…

材料科学 · 物理学 2026-05-11 Talip Serkan Kasırga

Recently spiking neural networks (SNNs), the third-generation of neural networks has shown remarkable capabilities of energy-efficient computing, which is a promising alternative for deep neural networks (DNNs) with high energy consumption.…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Yihao Luo , Min Xu , Caihong Yuan , Xiang Cao , Liangqi Zhang , Yan Xu , Tianjiang Wang , Qi Feng

Sparse coding can learn good robust representation to noise and model more higher-order representation for image classification. However, the inference algorithm is computationally expensive even though the supervised signals are used to…

计算机视觉与模式识别 · 计算机科学 2015-01-06 Jun Li , Heyou Chang , Jian Yang

We present a Monte-Carlo package for simulation of high-redshift supernova data, SNOC. Optical and near-infrared photons from supernovae are ray-traced over cosmological distances from the simulated host galaxy to the observer at Earth. The…

天体物理学 · 物理学 2009-11-07 A. Goobar , E. Mortsell , R. Amanullah , M. Goliath , L. Bergstrom , T. Dahlen

We previously demonstrated near-field speckle scanning based x-ray imaging to be an easy-to-implement phase sensing method capable of providing both high sensitivity and high resolution. Yet, this performance combination could only be…

医学物理 · 物理学 2017-06-21 Sebastien Berujon , Eric Ziegler

Advances in microscopy imaging enable researchers to visualize structures at the nanoscale level thereby unraveling intricate details of biological organization. However, challenges such as image noise, photobleaching of fluorophores, and…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Pamela Osuna-Vargas , Maren H. Wehrheim , Lucas Zinz , Johanna Rahm , Ashwin Balakrishnan , Alexandra Kaminer , Mike Heilemann , Matthias Kaschube

Computed tomography (CT) is widely used in scientific imaging systems such as synchrotron and laboratory-based nano-CT, but acquiring full-view sinograms requires high radiation dose and long scan times. Sparse-view CT reduces this burden…

图像与视频处理 · 电气工程与系统科学 2026-02-10 Jiaze E , Srutarshi Banerjee , Tekin Bicer , Guannan Wang , Yanfu Zhang , Bin Ren