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The reduced switching current of an excited energy-band in a Bloch transistor can be used to detect microwave-induced interband transitions. Spectroscopic measurements of the band-gap are performed by mapping the frequency dependence of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Daniel J. Flees , J. E. Lukens , Siyuan Han

We present a method of sensing AC magnetic fields. The method is based on the construction of a robust qubit by the application of continuous driving fields. Specifically, magnetic noise and power fluctuations of the driving fields do not…

Quantum Physics · Physics 2017-07-13 N. Aharon , M. Drewsen , A. Retzker

A commercial, position-sensitive ion detector was used for the first time for the time-of-flight ion-cyclotron resonance detection technique in Penning trap mass spectrometry. In this work, the characteristics of the detector and its…

Nuclear Experiment · Physics 2009-09-10 G. Eitel , M. Block , A. Czasch , M. Dworschak , S. George , O. Jagutzki , J. Ketelaer , J. Ketter , Sz. Nagy , D. Rodriguez , C. Smorra , K. Blaum

Various techniques are used to detect the presence of charged particles stored in electromagnetic traps, their energy, their mass, or their internal states. Detection methods can rely on the variation of the number of trapped particles…

Atomic Physics · Physics 2017-08-23 Martina Knoop

The unique challenges posed by the space environment, characterized by extreme conditions and limited accessibility, raise the need for robust and reliable techniques to identify and prevent satellite faults. Fault detection methods in the…

Machine Learning · Computer Science 2024-12-03 Carlo Cena , Umberto Albertin , Mauro Martini , Silvia Bucci , Marcello Chiaberge

Uninterruptible power supply is the main motive of power utility companies that motivate them for identifying and locating the different types of faults as quickly as possible to protect the power system prevent complete power black outs…

Systems and Control · Computer Science 2016-09-29 P. K. Ray , B. K. Panigrahi , P. K. Rout , A. Mohanty , H. Dubey

Recent research has shown that the security of power grids can be seriously threatened by botnet-type cyber attacks that target a large number of high-wattage smart electrical appliances owned by end-users. Accurate detection and…

Cryptography and Security · Computer Science 2022-09-08 Hamidreza Jahangir , Subhash Lakshminarayana , Carsten Maple

We propose a new method to detect off-pulse (unpulsed and/or continuous) emission from pulsars, using the intensity modulations associated with interstellar scintillation. Our technique involves obtaining the dynamic spectra, separately for…

High Energy Astrophysical Phenomena · Physics 2018-05-23 Kumar Ravi , Avinash A. Deshpande

We propose a new technique for adaptive identification of sparse systems based on the compressed sensing (CS) theory. We manipulate the transmitted pilot (input signal) and the received signal such that the weights of adaptive filter…

Information Theory · Computer Science 2012-04-05 Seyed Hossein Hosseini , Mahrokh G. Shayesteh

Ionization chambers working in ambient air in current detection mode are widely used in several applications such as smoke detection, dosimetry, therapeutic beam monitoring and cetera. The aim of this work was to investigate if gaseous…

Instrumentation and Detectors · Physics 2009-12-10 G. Charpak , P. Benaben , P. Breuil , V. Peskov

Inverter-interfaced microgrids, owing to the lack of fault current, cannot be protected using traditional over-current protections, while admittance or differential relaying protection schemes are not practical to be implemented. Dynamic…

Systems and Control · Electrical Eng. & Systems 2024-07-30 Sarbajit Basu , Arthur K. Barnes , Adam Mate , Olga Lavrova

We demonstrate a single-photon detector operating in the microwave domain, based on photo-assisted quasiparticle tunneling events that poison a superconducting island. The detection relies on continuously monitoring the island's charge…

Mesoscale and Nanoscale Physics · Physics 2025-11-24 Julien Basset , Ognjen Stanisavljević , Julien Gabelli , Marco Aprili , Jérôme Estève

This paper proposes a method of identifying single line outages in power systems based on phasor measurement unit (PMU) measurements and ac power flow models. In addition to the main identification algorithm, a rejection filter is…

Systems and Control · Electrical Eng. & Systems 2020-11-20 Zhen Dai , Joseph Euzebe Tate

We propose a new decentralized control scheme for DC Islanded microGrids (ImGs) composed by several Distributed Generation Units (DGUs) with a general interconnection topology. Each local controller regulates to a reference value the…

Systems and Control · Computer Science 2015-04-06 Michele Tucci , Stefano Riverso , Juan C. Vasquez , Josep M. Guerrero , Giancarlo Ferrari-Trecate

We introduce quantum sensing protocol for detection spatially varying fields by using two coupled harmonic oscillators as a quantum probe. We discuss a physical implementation of the sensing technique with two trapped ions coupled via…

Quantum Physics · Physics 2017-10-11 Peter A. Ivanov

Spatial separation of suspended particles based on contrast in their physical or chemical properties forms the basis of various biological assays performed on lab-on-achip devices. To electronically acquire this information, we have…

Emerging Technologies · Computer Science 2018-08-13 Ningquan Wang , Ruxiu Liu , Roozbeh Khodambashi , Norh Asmare , A. Fatih Sarioglu

An ionization-induced plasma grating can be formed by spatially selective ionization of gases by the interference of two intersecting ultra-short laser pulses. The density modulation of a plasma grating can approach unity since the plasma…

Plasma Physics · Physics 2021-09-01 Chaojie Zhang , Zan Nie , Yipeng Wu , Mitchell Sinclair , Chen-Kang Huang , Ken A. Marsh , Chan Joshi

The HARP system of resistive plate chambers (RPCs) was designed to perform particle identification by the measurement of the difference in the time-of-flight of different particles. In previous papers an apparent discrepancy was shown…

To control and measure the state of a quantum system it must necessarily be coupled to external degrees of freedom. This inevitably leads to spontaneous emission via the Purcell effect, photon-induced dephasing from measurement back-action,…

In this work negative-ion production on the surface of a sample negatively DC biased in a hydrogen plasma is studied. The negative ions created under the positive ion bombardment are accelerated towards the plasma, self-extracted and…

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