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A theory of spin-dependent electron transmission through resonant tunneling diode (RTD) grown of non-centrosymmetrical semiconductor compounds has been presented. It has been shown that RTD can be employed for injection and detection of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. M. Glazov , S. A. Tarasenko , P. S. Alekseev , M. A. Odnoblyudov , V. M. Chistyakov , I. N. Yassievich

We obtained the exact expression of the electric potential in the space around a nanowall that is vertically mounted on a planar cathode. The system is designed as a cold field electron emitter or an electron tunneling line scanner. The…

Materials Science · Physics 2011-04-21 Xi-Zhou Qin , Wie-Liang Wang , Zhi-Bing Li

Spectroscopic measurements with low-temperature scanning tunneling microscopes have been used very successfully for studying not only individual atomic or molecular spins on surfaces but also complexly designed coupled systems. The symmetry…

Mesoscale and Nanoscale Physics · Physics 2017-03-28 Markus Ternes

High-resolution radar sensors are able to resolve multiple detections per object and therefore provide valuable information for vehicle environment perception. For instance, multiple detections allow to infer the size of an object or to…

Signal Processing · Electrical Eng. & Systems 2019-10-29 Alexander Scheel , Klaus Dietmayer

Rydberg atomic quantum receivers have been seen as novel radio frequency measurements and the high sensitivity to a large range of frequencies makes it attractive for communications reception. However, their unique physical characteristics…

Signal Processing · Electrical Eng. & Systems 2025-09-24 Hao Wu , Xinyuan Yao , Rui Ni , Chen Gong , Kaibin Huang

A new geometry to trap neutral particles with an ac electric field using a simple electrodes structure is described. In this geometry, all electrodes are placed on a single chip plane, while particles are levitated above the chip. This…

Atomic Physics · Physics 2015-05-13 Makoto Morinaga , Tetsuo Kishimoto

We present a general method to detect nonclassical radiation fields with systems of on-off detectors. We especially study higher order correlations for the identification of nonclassical radiation. This allows us to directly characterize…

Quantum Physics · Physics 2015-06-17 J. Sperling , W. Vogel , G. S. Agarwal

The main methods grown Cadmium Zinc Telluride (CZT) crystals with high yield and excellent homogeneity are Modified Horizontal Bridgman (MHB) and High Pressure Bridgman (HPB) processes, respectively. In this contribution, the readout system…

Astrophysics · Physics 2008-11-20 Q. Li , A. Garson , P. Dowkontt , J. Martin , M. Beilicke , I. Jung , M. Groza , A. Burger , G. De Geronimo , H. Krawczynski , . , . , . , .

We present a duality between a particle detector model coupled to the amplitude of a scalar field and coupled to the field's derivative in the limit of large energy gaps. We show that the results of the models can be mapped to each other in…

Quantum Physics · Physics 2023-08-30 T. Rick Perche , Matheus H. Zambianco

The magnet system for the CLIC Detector concepts is composed of the central solenoid in combination with the two forward anti-solenoids and the ancillary systems necessary for their operation, including the so-called push-pull scenario,…

Instrumentation and Detectors · Physics 2012-01-31 Benoit Curé , Andrea Gaddi , Alain Herve

Anomaly detection (such as telecom fraud detection and medical image detection) has attracted the increasing attention of people. The complex interaction between multiple entities widely exists in the network, which can reflect specific…

Machine Learning · Computer Science 2024-06-10 Xu Yuan , Na Zhou , Shuo Yu , Huafei Huang , Zhikui Chen , Feng Xia

Trains of positive guided streamers are generated within an atmospheric pressure plasma jet supplied in helium and polarized by a high-voltage nanosecond pulse generator. The device is completed by a grounded annular electrode and a…

Plasma Physics · Physics 2023-05-24 H. Decauchy , T. Dufour

The concept of capacitive-sharing readout, described in detail in a previous study, offers the possibility for the development of high-performance three-coordinates (X-Y-U)-strip readout for Micro Pattern Gaseous Detectors (MPGDs) using…

Instrumentation and Detectors · Physics 2025-06-25 Kondo Gnanvo , Andrew Weisenberger , Seung Joon , Lee , Rui de Oliveira , Bertrand Mehl

A nanoparticle detection scheme with single particle resolution is presented. The sensor contains only a taper fiber thus offering the advantages of compactness and installation flexibility. Sensing method is based on monitoring the…

Optics · Physics 2013-05-31 Jiangang Zhu , Sahin Kaya Ozdemir , Lan Yang

This paper analyzes and compares a classical and a variational autoencoder in the context of anomaly detection. To better understand their architecture and functioning, describe their properties and compare their performance, it explores…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Fabrizio Patuzzo

We develop a probabilistic interpretation of two-stage object detection. We show that this probabilistic interpretation motivates a number of common empirical training practices. It also suggests changes to two-stage detection pipelines.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Xingyi Zhou , Vladlen Koltun , Philipp Krähenbühl

In work the results of the analysis are presented relating to the status of a streamer discharge mode in different gas detectors developed at the moment in laboratories and nuclear-physics installations. Thanks to new representations from a…

Instrumentation and Detectors · Physics 2012-09-19 V. I. Razin

We consider a two-level system coupled to a mesoscopic two-terminal conductor that acts as measuring device. As a convenient description of the conductor we introduce its scattering matrix. We show how its elements can be used to calculate…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. Buttiker , S. Pilgram

We introduce a model detector which registers the passage of a particle through the detector location, without substantially perturbing the particle wave function. (The exact time of passage is not determined in such measurements.) We then…

High Energy Physics - Theory · Physics 2009-09-25 Alexander Vilenkin , Serge Winitzki

Since Kelly's pioneering work on GLRT-based adaptive detection, many solutions have been proposed to enhance either selectivity or robustness of radar detectors to mismatched signals. In this paper such a problem is addressed in a different…

Signal Processing · Electrical Eng. & Systems 2020-10-28 Angelo Coluccia , Alessio Fascista , Giuseppe Ricci