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Field-emission of electrons underlies major advances in science and technology, ranging from imaging the atomic-scale structure of matter to signal processing at ever-higher frequencies. The advancement of these applications to their…

Optics · Physics 2023-02-22 H. Y. Kim , M. Garg , S. Mandal , L. Seiffert , T. Fennel , E. Goulielmakis

Visual object tracking is one of the major challenges in the field of computer vision. Correlation Filter (CF) trackers are one of the most widely used categories in tracking. Though numerous tracking algorithms based on CFs are available…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Litu Rout , Priya Mariam Raju , Deepak Mishra , Rama Krishna Sai Subrahmanyam Gorthi

Area detectors are used in many scientific and technological applications such as particle and radiation physics. Thanks to the recent technological developments, the radiation sources are becoming increasingly brighter and the detectors…

Instrumentation and Detectors · Physics 2011-04-27 Taha Sochi

We introduce EFTCAMB/EFTCosmoMC as publicly available patches to the commonly used CAMB/CosmoMC codes. We briefly describe the structure of the codes, their applicability and main features. To illustrate the use of these patches, we obtain…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Marco Raveri , Bin Hu , Noemi Frusciante , Alessandra Silvestri

A reexamination of period finding algorithms is prompted by new large area astronomical sky surveys that can identify billions of individual sources having a thousand or more observations per source. This large increase in data necessitates…

Instrumentation and Methods for Astrophysics · Physics 2025-02-05 Douglas P. Finkbeiner , Thomas A. Prince , Samuel E. Whitebook

A new variational method for studying the equilibrium states of an interacting particles system has been proposed. The statistical description of the system is realized by means of a density matrix. This method is used for description of…

General Physics · Physics 2014-12-19 Boris Bondarev

Carbon nanotube (CNT) electromechanical resonators have demonstrated unprecedented sensitivities for detecting small masses and forces. The detection speed in a cryogenic setup is usually limited by the CNT contact resistance and parasitic…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Kyle Willick , Xiaowu Tang , Jonathan Baugh

While methods based on density-functional perturbation theory have dramatically improved our understanding of electron-phonon contributions to transport in materials, methods for accurately capturing electron-electron scattering relevant to…

Low-dimensional carbon nanostructures, such as single-wall carbon nanotubes (SWCNTs) and graphene, offer new opportunities for terahertz science and technology. Being zero-gap systems with a linear, photon-like energy dispersion, metallic…

Mesoscale and Nanoscale Physics · Physics 2012-08-24 L. Ren , Q. Zhang , S. Nanot , I. Kawayama , M. Tonouchi , J. Kono

Waveform sampling systems are used pervasively in the design of front end electronics for radiation detection. The introduction of new feature extraction algorithms (eg. neural networks) to waveform sampling has the great potential to…

Data Analysis, Statistics and Probability · Physics 2021-09-23 Pengcheng Ai , Zhi Deng , Yi Wang , Linmao Li

The current data acquisition rate of astronomical transient surveys and the promise for significantly higher rates during in the next decade necessitate the development of novel approaches to analyze astronomical data sets and promptly…

Instrumentation and Methods for Astrophysics · Physics 2022-01-28 Robert Strausbaugh , Antonino Cucchiara , Michael Dow , Sara Webb , Jielai Zhang , Simon Goode , Jeff Cooke

This study provides a comprehensive time series analysis of daily industry-specific, country-wise CO$_2$ emissions from January 2019 to February 2023. The research focuses on the Power, Industry, Ground Transport, Domestic Aviation, and…

Machine Learning · Computer Science 2023-07-28 Suchetana Sadhukhan , Vivek Kumar Yadav

This paper aims to put constraints on the parameters of the Scalar Field Dark Matter (SFDM) model, when dark matter is described by a free real scalar field filling the whole Universe, plus a cosmological constant term. By using a…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-05 A. A. Escobal , J. F. Jesus , S. H. Pereira

The electron distribution of open-ended single-walled carbon nanotubes with chirality indexes (7,0) and (5,5) in the field emission conditions was calculated via a multi-scaled algorithm. The field emission images were produced numerically.…

Materials Science · Physics 2012-09-05 Weiliang Wang , Ningsheng Xu , Zhibing Li

We derive equations of motion for the reduced density matrix of a molecular system which undergoes energy transfer dynamics competing with fast internal conversion channels. Environmental degrees of freedom of such a system have no time to…

Chemical Physics · Physics 2017-05-24 Joachim Seibt , Tomas Mancal

We study theoretically the electronic structure, transport and optical properties for a zigzag single-wall carbon nanotube connected to two normal conductor leads under the irradiation of an external electromagnetic field at low…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wenhu Liao , Guanghui Zhou , Kai-He Ding

Dislocations control the mechanical behavior of crystalline materials, yet their quantitative characterization in bulk has remained elusive. Transmission Electron Microscopy provides atomic-scale resolution but is restricted to thin foils,…

Materials Science · Physics 2026-03-05 A. Benhadjira , C. Detlefs , S. Borgi , V. Favre-Nicolin , C. Yildirim

In this work, we present near-field image transmission and error vector magnitude measurement in a rich scattering environment in a metal enclosure. We check the effect of loading metal enclosure on the performance of SDR based near-field…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Mir Lodro , Gabriele Gradoni , Christopher Smartt , Ana Vukovic , David Thomas , Steve Greedy

In a recent work [1] we presented results for the Bose-Fermi-Hubbard model (BFHM) in the limit of ultrafast fermions. The present work gives an overview over the used methods and an deeper insight into the implications arising from the…

Quantum Gases · Physics 2014-08-21 Alexander Mering

Modeling nanoscale devices quantum mechanically is a computationally challenging problem where new methods to solve the underlying equations are in a dire need. In this paper, we present an approach to calculate the charge density in…

Numerical Analysis · Mathematics 2013-05-07 U. Hetmaniuk , Y. Zhao , M. P. Anantram