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Designing anode materials with high lithium specific capacity is crucial to the development of high energy-density lithium ion batteries. Herein, a distinctive lithium growth mechanism, namely, the restricted multilayered growth for…

Materials Science · Physics 2022-08-29 Ning Lu , Kai Wang , Jiaxin Jiang , Hongyan Guo , Gui Zhong Zuo , Zhiwen Zhuo , Xiaojun Wu , Xiao Cheng Zeng

The increasing penetration of volatile renewables combined with increasing demands poses a challenge to modern power grids. Furthermore, distributed energy resources and flexible devices (electric vehicles, PV generation, ...) are becoming…

Optimization and Control · Mathematics 2024-04-01 Emrah Öztürk , Kevin Kaspar , Timm Faulwasser , Karl Worthmann , Peter Kepplinger , Klaus Rheinberger

A new generation of storage ring-based light source, called diffraction-limited storage ring (DLSR), with emittance approaching the diffraction limit for multi-keV photons by means of multi-bend achromat lattice, has attracted worldwide and…

Accelerator Physics · Physics 2016-08-03 Gang Xu , Yi Jiao , Yue-Mei Peng

In this paper we present the physical design of the pulsed sextupole injection system for Beijing Advanced Photon Source (BAPS) with an ultralow emittance. The BAPS ring lattice is designed in such a way that two options of pulsed sextupole…

Accelerator Physics · Physics 2015-10-09 Yi Jiao , Gang Xu

Motivated by bursty bandwidth allocation and by the allocation of virtual machines to servers in the cloud, we consider the online problem of packing items with random sizes into unit-capacity bins. Items arrive sequentially, but upon…

Optimization and Control · Mathematics 2021-02-08 Sebastian Perez-Salazar , Mohit Singh , Alejandro Toriello

Integrating a high share of electricity from non-dispatchable Renewable Energy Sources in a power supply system is a challenging task. One option considered in many studies dealing with prospective power systems is the installation of…

Physics and Society · Physics 2014-10-09 Stefan Weitemeyer , David Kleinhans , Thomas Vogt , Carsten Agert

Many of the current bio-inspired delivery networks set their focus on search, e.g., by using artificial ants. If the network size and, therefore, the search space gets too large, the users experience high delays until the requested content…

Multimedia · Computer Science 2011-11-02 Anita Sobe , Wilfried Elmenreich , Laszlo Böszörmenyi

We report the investigation of a single quantum dot charge storage device. The device allows selective optical charging of a single dot with electrons, storage of these charges over timescales much longer than microseconds and reliable…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 D. Heiss , V. Jovanov , M. Caesar , M. Bichler , G. Abstreiter , J. J. Finley

The use of existing linacs, and in particular light source injectors, for free-electron laser (FEL) experiments is becoming more common due to the desire to test FELs at ever shorter wavelengths. The high-brightness, high-current beams…

Accelerator Physics · Physics 2008-11-26 G. Travish , S. Biedron , M. Borland , M. Hahne , K. Harkay , J. W. Lewellen , A. Lumpkin , S. Milton , N. Sereno

Liquid metal batteries (LMBs) are a promising grid-scale storage device however, the scalability of this technology and its electrochemical performance is limited by mass transport overpotentials. In this work, a numerical model of a…

Fluid Dynamics · Physics 2024-10-15 Declan Finn Keogh , Mark Baldry , Victoria Timchenko , John Reizes , Chris Menictas

This lecture gives an introduction into the design of high-energy storage ring lattices. Applying the formalism that has been established in transverse beam optics, the basic principles of the development of a magnet lattice are explained…

Accelerator Physics · Physics 2016-01-20 B. J. Holzer

Quantum memories are essential for photonic quantum technologies, enabling long-distance quantum communication and serving as delay units in quantum computing. Hot atomic vapors using electromagnetically induced transparency provide a…

We introduce a species-independent method for improved loading into a single-atom optical tweezer array, utilizing iterative loading with multiple reservoir tweezers. Demonstrated with dual wavelength tweezer arrays of $^{88}$Sr atoms, our…

Atomic Physics · Physics 2024-07-17 Xu Yan , Chengdong He , Kai Wen , Zejian Ren , Preston Tsz Fung Wong , Elnur Hajiyev , Gyu-Boong Jo

This paper presents a novel circuit (AID) to improve the accuracy of an energy-efficient in-memory multiplier using a standard 6T-SRAM. The state-of-the-art discharge-based in-SRAM multiplication accelerators suffer from a non-linear…

Hardware Architecture · Computer Science 2022-08-03 Saeed Seyedfaraji , Baset Mesgari , Semeen Rehman

The Last Level Cache (LLC) is the processor's critical bridge between on-chip and off-chip memory levels - optimized for high density, high bandwidth, and low operation energy. To date, high-density (HD) SRAM has been the conventional…

Emerging Technologies · Computer Science 2025-03-12 Faaiq Waqar , Jungyoun Kwak , Junmo Lee , Minji Shon , Mohammadhosein Gholamrezaei , Kevin Skadron , Shimeng Yu

We demonstrate that absorption saturation of a mid-infrared intersubband transition can be engineered to occur at moderate light intensities of the order of 10-20 kW$.$cm$^{-2}$ and at room temperature. The structure consists of an array of…

The integration of renewable energy into the power grid is often hindered by its fragmented infrastructure, leading to inefficient utilization due to the variability of energy production and its reliance on weather conditions. Battery…

Systems and Control · Electrical Eng. & Systems 2025-02-20 Dhrumil Bhatt , Siddharth Penumatsa , Nirbhay Singhal

Intrabeam scattering (IBS) limits the emittance and single-bunch current that can be achieved in electron or positron storage ring colliders, damping rings, and light sources. Much theoretical work on IBS exists, and while the theories have…

When facing many options, we narrow down our focus to very few of them. Although behaviors like this can be a sign of heuristics, they can actually be optimal under limited cognitive resources. Here we study the problem of how to optimally…

Neurons and Cognition · Quantitative Biology 2021-02-03 Jorge Ramírez-Ruiz , Rubén Moreno-Bote

This paper presents a framework for deriving the storage capacity that an electricity system requires in order to satisfy a chosen risk appetite. The framework takes as inputs user-defined event categories, parameterised by peak…

Optimization and Control · Mathematics 2020-12-02 Michael P. Evans , Simon H. Tindemans
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