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Electron transport in nano-scale structures is strongly influenced by the Coulomb interaction which gives rise to correlations in the stream of charges and leaves clear fingerprints in the fluctuations of the electrical current. A complete…

Mesoscale and Nanoscale Physics · Physics 2012-01-11 Niels Ubbelohde , Christian Fricke , Christian Flindt , Frank Hohls , Rolf J. Haug

We have investigated the effects of quantum fluctuations of quasiparticles on the operation of superconducting radio-frequency single-electron transistors (RF-SETs) for large values of the quasiparticle cotunneling parameter…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Madhu Thalakulam , Z. Ji , A. J. Rimberg

We study conductance of a single electron transistor (SET) with a ferroelectric (or dielectric) layer placed in the gate capacitor. We assume that ferroelectric (FE) has a retarded response with arbitrary relaxation time. We show that in…

Mesoscale and Nanoscale Physics · Physics 2015-12-02 O. G. Udalov , N. M. Chtchelkatchev , S. A. Fedorov , I. S. Beloborodov

We report sharp peaks in the differential conductance of a single-electron transistor (SET) at low temperature, for gate voltages at which charge fluctuations are suppressed. For odd numbers of electrons we observe the expected Kondo peak…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Kogan , G. Granger , M. A. Kastner , D. Goldhaber-Gordon , Hadas Shtrikman

Geometric deep learning is increasingly important thanks to the popularity of 3D sensors. Inspired by the recent advances in NLP domain, the self-attention transformer is introduced to consume the point clouds. We develop Point Attention…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiancheng Yang , Qiang Zhang , Bingbing Ni , Linguo Li , Jinxian Liu , Mengdie Zhou , Qi Tian

Speech Emotion Recognition (SER) plays a key role in advancing human-computer interaction. Attention mechanisms have become the dominant approach for modeling emotional speech due to their ability to capture long-range dependencies and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Marc Casals-Salvador , Federico Costa , Rodolfo Zevallos , Javier Hernando

We report low frequency charge noise measurement on silicon substrates with different phosphorus doping densities. The measurements are performed with aluminum single electron transistors (SETs) at millikelvin temperatures where the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. J. Ferguson , V. C. Chan , A. R. Hamilton , R. G. Clark

We review the status of the understanding of single-electron transport (SET) devices with respect to their applicability in metrology. Their envisioned role as the basis of a high-precision electrical standard is outlined and is discussed…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Karsten Flensberg , Arkadi A. Odintsov , Feike Liefrink , Paul Teunissen

Pixel modules are currently being built for the ATLAS ITk Pixel detector upgrade. During the preproduction phase, recurring chip malfunctioning was observed during electrical testing. It was possible to bypass this issue by disabling some…

A testbeam telescope, based on ATLAS IBL silicon pixel modules, has been built. It comprises six planes of planar silicon sensors with 250 x 50 um^2 pitch, read out by ATLAS FE-I4 chips. In the CERN SPS H8 beamline (180 GeV pi+) a…

This paper presents a novel fusion of low-level approaches for dimensionality reduction into an effective approach for high-level objects in neuromorphic camera data called Inceptive Event Time-Surfaces (IETS). IETSs overcome several…

Neural and Evolutionary Computing · Computer Science 2020-02-28 R Wes Baldwin , Mohammed Almatrafi , Jason R Kaufman , Vijayan Asari , Keigo Hirakawa

Following the Phase-II upgrade during Long Shutdown (LS3), the LHC aims to reach a peak instantaneous luminosity of $7.5\times 10^{34}$cm$^{-2}$s$^{-1}$, which corresponds to an average of around 200 inelastic proton-proton collisions per…

After ten years of operation at the LHC, the planar pixel sensors of the innermost barrel layer of the ATLAS Pixel detector have accumulated an average bulk damage fluence in excess of $2\times10^{15}$ 1 MeV-neutrons equivalent/cm$^2$. The…

Instrumentation and Detectors · Physics 2026-05-07 ATLAS Collaboration

We have developed a novel system consisting of a superconducting single-electron transistor (S-SET) coupled to a two-dimensional electron gas (2DEG), for which the dissipation can be tuned in the immediate vicinity of the S-SET. To analyze…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. J. Rimberg , W. Lu

Run-2 of the Large Hadron Collider (LHC) will provide new challenges to track and vertex reconstruction with higher energies, denser jets and higher rates. Therefore the ATLAS experiment has constructed the first 4-layer Pixel Detector in…

Instrumentation and Detectors · Physics 2016-08-30 Karolos Potamianos

Two level systems that can be reliably controlled and measured hold promise in both metrology and as qubits for quantum information science (QIS). When prepared in a superposition of two states and allowed to evolve freely, the state of the…

Mesoscale and Nanoscale Physics · Physics 2013-04-09 O. E. Dial , M. D. Shulman , S. P. Harvey , H. Bluhm , V. Umansky , A. Yacoby

Multi-scale spectrum sensing is proposed to overcome the cost of full network state information on the spectrum occupancy of primary users (PUs) in dense multi-cell cognitive networks. Secondary users (SUs) estimate the local spectrum…

Information Theory · Computer Science 2018-12-07 Nicolo Michelusi , Matthew Nokleby , Urbashi Mitra , Robert Calderbank

The Pixel Detector is the innermost part of the CMS Tracker. It therefore has to prevail in the harshest environment in terms of particle fluence and radiation. There are several mechanisms that may decrease the efficiency of the detector.…

Instrumentation and Detectors · Physics 2015-05-08 Márton Bartók

Tight-binding molecular dynamics simulations of photo-excitations in small Se clusters (isolated Se$_8$ ring and helical Se chain) and glassy Se networks (containing 162 atoms) were carried out in order to analyse the photo induced…

Disordered Systems and Neural Networks · Physics 2009-11-10 J. Hegedus , K Kohary , S. Kugler , K. Shimakawa

We measure the interdot charge relaxation time T_1 of a single electron trapped in an accumulation mode Si/SiGe double quantum dot. The energy level structure of the charge qubit is determined using photon assisted tunneling, which reveals…

Mesoscale and Nanoscale Physics · Physics 2014-08-27 K. Wang , C. Payette , Y. Dovzhenko , P. W. Deelman , J. R. Petta