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With recent advances in wireless communication, networking, and low power sensor technology, wireless sensor network (WSN) systems have begun to take significant roles in various applications ranging from environmental sensing to mobile…

网络与互联网体系结构 · 计算机科学 2010-09-09 JeongGil Ko , Amitabh Mishra

The need to find low power alternatives to digital electronic circuits has led to increasing interest in alternative switching schemes like the magnetic quantum cellular automata(MQCA) that store information in nanomagnets which communicate…

介观与纳米尺度物理 · 物理学 2011-03-30 Behtash Behin-Aein , Angik Sarkar , Srikant Srinivasan , Supriyo Datta

Perfect alignment in chosen beam sectors at both transmit- and receive-nodes is required for beamforming in mmWave bands. Current 802.11ad WiFi and emerging 5G cellular standards spend up to several milliseconds exploring different sector…

信号处理 · 电气工程与系统科学 2021-02-16 Batool Salehi , Mauro Belgiovine , Sara Garcia Sanchez , Jennifer Dy , Stratis Ioannidis , Kaushik Chowdhury

Current induced spin wave excitations in spin transfer torque nano-contacts are known as a promising way to generate exchange-dominated spin waves at the nano-scale. It has been shown that when these systems are magnetized in the film…

介观与纳米尺度物理 · 物理学 2017-12-27 S. Morteza Mohseni , H. F. Yazdi , M. Hamdi , T. Bracher , S. Majid Mohseni

We report achieving enhanced nuclear magnetization in a magnetic resonance force microscope experiment at 0.6 tesla and 4.2 kelvin using the dynamic nuclear polarization (DNP) effect. In our experiments a microwire coplanar waveguide…

Electron transport in nanoscale devices can often result in nontrivial spatial patterns of voltage and current that reflect a variety of physical phenomena, particularly in nonlocal transport regimes. While numerous techniques have been…

We examine the distribution of the magnetic anisotropy (MA) experienced by a magnetic impurity embedded in a metallic nano-grain. As an example of a generic magnetic impurity with partially filled $d$-shell, we study the case of $d^{1}$…

介观与纳米尺度物理 · 物理学 2015-05-20 A. Szilva , P. Balla , O. Eriksson , G. Zaránd , L. Szunyogh

Electromagnetic multipole expansion theory underpins nanoscale light-matter interactions, particularly within subwavelength meta-atoms, paving the way for diverse and captivating optical phenomena. While conventionally brute force…

Exploiting physical processes for fast and energy-efficient computation bears great potential in the advancement of modern hardware components. This paper explores non-linear charge tunneling in nanoparticle networks, controlled by external…

计算物理 · 物理学 2024-02-20 Evan Wonisch , Jonas Mensing , Andreas Heuer

Diamond-based quantum sensors have enabled high-resolution NMR spectroscopy at the microscale in scenarios where fast molecular motion averages out dipolar interactions among target nuclei. However, in samples with low-diffusion, ubiquitous…

量子物理 · 物理学 2025-08-26 Carlos Munuera-Javaloy , Ander Tobalina , Jorge Casanova

Nanoscale light sources are being intensively investigated for their potential to enable low-energy, high-density optical communication and sensing systems. Both nano-light-emitting diodes (nanoLEDs) and nanolasers have been considered,…

应用物理 · 物理学 2020-03-19 Bruno Romeira , Andrea Fiore

In-operando techniques enable real-time measurement of intricate physical properties at the micro- and nano-scale under external stimuli, allowing the study of a wide range of materials and functionalities. In nanomagnetism, in-operando…

Femtosecond electron microscopy produces real-space images of matter in a series of ultrafast snapshots. Pulses of electrons self-disperse under space-charge broadening, so without compression, the ideal operation mode is a single electron…

加速器物理 · 物理学 2016-04-21 A. R. Bainbridge , C. W. Barlow-Myers , W. A. Bryan

Digital backpropagation (DBP) is one of the most effective techniques for compensating nonlinear distortions in coherent optical fiber communication systems. However, its practical application to wideband transmission remains limited by…

We use micromagnetic simulations to demonstrate neuron functionality of two-dimensional (2D) chiral magnonic resonators. Our design exploits nonlinear resonant scattering of spin waves propagating in a YIG medium from an edge mode of a…

应用物理 · 物理学 2025-12-02 K. G. Fripp , A. V. Shytov , V. V. Kruglyak

We characterize the connectivity structure of feed-forward, deep neural networks (DNNs) using network motif theory. To address whether a particular motif distribution is characteristic of the training task, or function of the DNN, we…

机器学习 · 计算机科学 2024-03-05 Olivia T. Zahn , Thomas L. Daniel , J. Nathan Kutz

Introducing nanorods into a polymeric matrix can enhance the physical and mechanical properties of the resulting material. In this paper, we focus on understanding the dispersion and orientation patterns of nanorods in an unentangled…

软凝聚态物质 · 物理学 2023-04-05 Navid Afrasiabian , Venkat Balasubramanian , Colin Denniston

The ever-increasing demand for processing data with larger machine learning models requires more efficient hardware solutions due to limitations such as power dissipation and scalability. Optics is a promising contender for providing lower…

The use of machine learning (ML) in chemical physics has enabled the construction of interatomic potentials having the accuracy of ab initio methods and a computational cost comparable to that of classical force fields. Training an ML model…

化学物理 · 物理学 2023-06-21 Zeyuan Tang , Stefan T. Bromley , Bjørk Hammer

Neural activity patterns related to behavior occur at many scales in time and space from the atomic and molecular to the whole brain. Here we explore the feasibility of interpreting neurophysiological data in the context of many-body…

其他定量生物学 · 定量生物学 2009-11-11 Walter J. Freeman , Giuseppe Vitiello