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A novel diagnostic method to detect ordering within one-dimensional ion beams in a storage ring is presented. The ions are simultaneously excited by a ultrashort pulsed laser ($\simeq 1$ ps) at two different locations along the beam and…

acc-phys · Physics 2019-08-17 R. Calabrese , V. Guidi , P. Lenisa , E. Mariotti , L. Moi , U. Tambini

This paper presents a spectral attention-driven reinforcement learning based intelligent method for effective and efficient detection of important signals in a wideband spectrum. In the work presented in this paper, it is assumed that the…

Signal Processing · Electrical Eng. & Systems 2020-04-02 Gihan Mendis , Jin Wei , Arjuna Madanayakey , Soumyajit Mandalz

Massive Multiple-input Multiple-output (MIMO) adaption is one of the primary evolving objectives for the next generation high speed train (HST) communication system. In this paper, we consider how to design an efficient low-complexity…

Information Theory · Computer Science 2017-03-16 Xuhong Chen , Pingyi Fan

We extend the recently developed technique of opto-optical modulation (OOM) to probe state-resolved ac-Stark-induced phase variations of a coherently excited ensemble of helium atoms. In a joint experimental and theoretical study, we find…

We report on the broadband THz response of InGaAs/GaAs HEMTs operating at 1.63 THz and room temperature deep in the saturation regime. We demonstrate that responses show linear increase with drain-to-source voltage (or drain bias current)…

Instrumentation and Detectors · Physics 2015-05-18 T. A. Elkhatib , V. Yu. Kachorovskii , W. J. Stillman , S. Rumyantsev , X. -C. Zhang , M. S. Shur

Different insulator phases compete with each other in strongly correlated materials with simultaneous local and non-local interactions. It is known that the homogeneous Mott insulator converts into a charge density wave (CDW) phase when the…

A review of electron beam bunching methods and new bunching methods are presented. Linear accelerator, storage ring and buncher technologies offer high-beam quality and short bunches necessary for operation of high efficiency, high-power,…

Classical Physics · Physics 2009-11-10 E. G. Bessonov

The search for hidden orders in photoexcited lattice systems is an active research field driven by experimental reports of light-induced or light-stabilized phases. In this study, we investigate hidden electronic orders in strongly…

Strongly Correlated Electrons · Physics 2024-08-14 Sujay Ray , Philipp Werner

Microwave frequency domain multiplexing is a suitable technique to read out a large number of detector channels using only a few connecting lines. In the HOLMES experiment this is based on inductively coupled rf-SQUIDs (Superconducting…

Instrumentation and Detectors · Physics 2018-02-28 P. Carniti , L. Cassina , M. Faverzani , E. Ferri , A. Giachero , C. Gotti , M. Maino , A. Nucciotti , G. Pessina , A. Puiu

As radar sensors are being miniaturized, there is a growing interest for using them in indoor sensing applications such as indoor drone obstacle avoidance. In those novel scenarios, radars must perform well in dense scenes with a large…

Radar sensors can be used for analyzing the induced frequency shifts due to micro-motions in both range and velocity dimensions identified as micro-Doppler ($\boldsymbol{\mu}$-D) and micro-Range ($\boldsymbol{\mu}$-R), respectively.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Sherif Abdulatif , Qian Wei , Fady Aziz , Bernhard Kleiner , Urs Schneider

In the domain of battery research, the processing of high-resolution microscopy images is a challenging task, as it involves dealing with complex images and requires a prior understanding of the components involved. The utilization of deep…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Ganesh Raghavendran , Bing Han , Fortune Adekogbe , Shuang Bai , Bingyu Lu , William Wu , Minghao Zhang , Ying Shirley Meng

We present the design of a high repetition rate MeV energy ultrafast electron diffraction instrument based on a DC photoelectron gun and an SRF linac with multiple independently controlled accelerating and bunching cavities. The design is…

Accelerator Physics · Physics 2022-10-05 Adam Bartnik , Colwyn Gulliford , Georg H. Hoffstaetter , Jared Maxson

Efficient optical excitation of hybridized plasmon modes in nanoantennas is vital to achieve many promising functionalities, but it can be challenging due to a field-profile mismatch between the incident light and the hybrid mode. We…

This design report describes the construction plans for the world's first multi-pass SRF ERL. It is a 4-pass recirculating linac that recovers the beam's energy by 4 additional, decelerating passes. All beams are returned for deceleration…

We theoretically investigate coherent optical excitations of collective modes in two-band BCS superconductors, which accommodate two Higgs modes and one Leggett mode corresponding, respectively, to the amplitude and relative-phase…

Superconductivity · Physics 2017-03-06 Yuta Murotani , Naoto Tsuji , Hideo Aoki

A "super-atom" conceptual interface between chemistry and physics is proposed in order to assist in the search for higher TC superconductors. High-TC superconductivity HTSC is articulated as the entanglement of two disjoint electronic…

Superconductivity · Physics 2015-06-03 Itai Panas

In this work, a parameter-efficient attention module is presented for emotion classification using a limited, or relatively small, number of electroencephalogram (EEG) signals. This module is called the Monotonicity Constrained Attention…

Signal Processing · Electrical Eng. & Systems 2022-10-14 Dongyang Kuang , Craig Michoski , Wenting Li , Rui Guo

Extremely large-scale multiple-input multiple-output (XL-MIMO) systems are capable of improving spectral efficiency by employing far more antennas than conventional massive MIMO at the base station (BS). However, beam training in multiuser…

Information Theory · Computer Science 2024-03-27 Wang Liu , Cunhua Pan , Hong Ren , Jiangzhou Wang , Robert Schober , Lajos Hanzo

The upgrade of the normal conducting (NC) Radioactive Ion Beam EXperiment (REX)-ISOLDE heavy ion accelerator at CERN, under the High Intensity and Energy (HIE)-ISOLDE framework, proposes the use of superconducting (SC) quarter-wave…

Accelerator Physics · Physics 2009-06-20 M. A. Fraser , M. Pasini , R. M. Jones , M. Lindroos
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