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The density limit of lower hybrid current drive (LHCD) is scaled by coupling the saturation process of parametric decay instability induced by LH waves in the scrape off layer (SOL) plasma to the propagation of waves. It is shown that the…

Plasma Physics · Physics 2024-12-02 Kunyu Chen , Zhihao Su , Zikai Huang , Long Zeng , Zhe Gao

We present an experimental study of the magnetic flux dependence of the critical current of a balanced SQUID with three Josephson junctions in parallel. Unlike for ordinary dc SQUIDs, the suppression of the critical current does not depend…

Mesoscale and Nanoscale Physics · Physics 2008-03-11 Antti Kemppinen , Antti J. Manninen , Mikko Möttönen , Juha J. Vartiainen , Joonas T. Peltonen , Jukka P. Pekola

Recent observations have shown that at a certain composition of solid solutions AgCl$_x$Br$_{1-x}$, AgCl-CdCl$_2$, AgBr-CdBr$_2$, of ionic crystals, the electrical conductivity exhibits a value appreciably larger than that of the end…

Materials Science · Physics 2017-04-27 Vassiliki Katsika-Tsigourakou

A common countermeasure against side-channel attacks on secret key cryptographic implementations is $d$th-order masking, which splits each sensitive variable into $d+1$ random shares. In this paper, maximal leakage bounds on the probability…

Information Theory · Computer Science 2023-05-11 Julien Béguinot , Yi Liu , Olivier Rioul , Wei Cheng , Sylvain Guilley

If axions or other low-mass pseudoscalars couple to electrons (``fine structure constant'' $\alpha_a$) they are emitted from red giant stars by the Compton process $\gamma+e\to e+a$ and by bremsstrahlung $e+(Z,A)\to (Z,A)+e+a$. We construct…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Raffelt , A. Weiss

Including local automatic gain control (AGC) circuitry into a silicon cochlea design has been challenging because of transistor mismatch and model complexity. To address this, we present an alternative system-level algorithm that implements…

Signal Processing · Electrical Eng. & Systems 2022-02-15 Ilya Kiselev , Chang Gao , Shih-Chii Liu

Superconductivity, the lossless flow of electric current, occurs typically at very low temperatures. A possible exception is highly pressurized hydrogen, for which room temperature superconductivity has been predicted. However, as a result…

Superconductivity · Physics 2024-12-24 Dirk van der Marel , Christophe Berthod

A novel graphene-optimized silicon carbide PIN detector was fabricated. Its electrical properties, charge collection performance and signal rise time were evaluated under non-irradiated conditions and under X-ray irradiation with an energy…

Instrumentation and Detectors · Physics 2026-05-07 Yingjie Huang , Congcong Wang , Jingxuan He , Yi Zhan , Zhenyu Jiang , Xiyuan Zhang , Xin Shi

Coincidence Site Lattice (CSL) grain boundaries (GBs) are believed to be low-energy, resistant to intergranular fracture, as well as to hydrogen embrittlement. Nevertheless, the behavior of CSL-GBs are generally confused with their angular…

Materials Science · Physics 2018-10-09 Mohamed H. Hamza , Mohamed A. Hendy , Tarek M. Hatem , Jaafar A. El-Awady

A dominant contribution to ECal resolution at high energy (eg. 100 GeV) comes from leakage beyond the containment of the calorimeter. We have studied the leakage energy for the SiD silicon-tungsten ECal and developed a neural network…

Instrumentation and Detectors · Physics 2020-03-27 L. Braun , D. Austin , J. Barkeloo , J. Brau , C. T. Potter

The origin of the high leakage current measured in several vertical-type diamond Schottky devices is conjointly investigated by conducting probe atomic force microscopy (CP-AFM) and confocal micro-Raman/Photoluminescence (PL) imaging…

Materials Science · Physics 2015-06-19 Jose Alvarez , M. Boutchich , J. P. Kleider , T. Teraji , Y. Koide

We study the stochastic nature of switching current in hysteretic current-voltage characteristics of superconductor-graphene-superconductor (SGS) junctions. We find that the dispersion of the switching current distribution scales with…

Superconductivity · Physics 2015-05-30 U. C. Coskun , M. Brenner , T. Hymel , V. Vakaryuk , A. Levchenko , A. Bezryadin

We consider voltage and current responses formation in DC SQUID with overdamped Josephson junctions in resistive and superconducting state in the frame of resistively shunted junction (RSJ) model. For simplicity we neglect the junction…

Superconductivity · Physics 2016-08-09 I. I. Soloviev , N. V. Klenov , A. E. Schegolev , S. V. Bakurskiy , M. Yu. Kupriyanov

Rechargeable redox flow batteries with serpentine flow field designs have been demonstrated to deliver higher current density and power density in medium and large-scale stationary energy storage applications. Nevertheless, the fundamental…

Chemical Physics · Physics 2017-06-22 Xinyou Ke , Joseph M. Prahl , J. Iwan D. Alexander , Robert F. Savinell

The generic square-gradient density-functional model with triple-parabolic free energy is used to study the stability of a cavity introduced into the stretched liquid. The various properties of the critical cavity, which is the largest…

Soft Condensed Matter · Physics 2015-05-13 Masao Iwamatsu

We compare the energies of the Laughlin liquid and a charge density wave in a weak magnetic field for the upper Landau level filling factors $\nu_N = 1/3$ and $1/5$. The charge density wave period has been optimized and was found to be…

Condensed Matter · Physics 2007-05-23 M. M. Fogler , A. A. Koulakov

High-temperature superconductor (HTS) coated conductors (CC) are often wound into pancake coils with electrical insulation in-between the turns. The copper terminals are used for current injection and conduction cooling. An inherent…

We investigate the effect of a small leakage current through the gate insulator on the stability of organic single-crystal field-effect transistors (FETs). We find that, irrespective of the specific organic molecule and dielectric used,…

Other Condensed Matter · Physics 2009-11-10 R. W. I. de Boer , N. N. Iosad , A. F. Stassen , T. M. Klapwijk , A. F. Morpurgo

We generalize the spin Hall angle to laser pulses of finite frequencies in the linear response regime and predict a giant optical spin Hall effect. Namely, for certain transition metal elements, at particular frequencies, the spin current…

Mesoscale and Nanoscale Physics · Physics 2022-04-06 P. Elliott , S. Shallcross , Sangeeta Sharma

The probability distribution of density in isothermal, supersonic, turbulent gas is approximately lognormal. This behaviour can be traced back to the shock waves travelling through the medium, which randomly adjust the density by a random…

Astrophysics of Galaxies · Physics 2022-10-20 Branislav Rabatin , David C. Collins