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In the real world, agents often have to operate in situations with incomplete information, limited sensing capabilities, and inherently stochastic environments, making individual observations incomplete and unreliable. Moreover, in many…

Machine Learning · Computer Science 2018-09-26 Akshat Agarwal , Abhinau Kumar , Kyle Dunovan , Erik Peterson , Timothy Verstynen , Katia Sycara

We present a new model for finding the optimal placement of electric vehicle charging stations across a multi-period time frame so as to maximise electric vehicle adoption. Via the use of advanced discrete choice models and user classes,…

Optimization and Control · Mathematics 2023-05-26 Steven Lamontagne , Margarida Carvalho , Emma Frejinger , Bernard Gendron , Miguel F. Anjos , Ribal Atallah

We suggest a new on-axis injection scheme that uses two deflecting cavities to remove the tilt of the stored beam, and to kick the injected beam into the ring. In this new injection scheme, an injected beam with a certain angle is overlaid…

Accelerator Physics · Physics 2019-01-23 J. Kim , G. Jang , M. Yoon , B-H. Oh , J. Lee , J. Ko , Y. Parc , I. Hwang , T. Ha , D. Kim , S. Kim , S. Shin

As charged particle bunches become shorter and more intense, the effects of nonlinear intra-bunch collective interactions such as space charge forces and bunch-to-bunch influences such as wakefields and coherent synchrotron radiation also…

Accelerator Physics · Physics 2022-03-23 Alexander Scheinker , Spencer Gessner

To mitigate the ever-worsening Power Wall problem, more and more applications need to expand their power supply to the wide-voltage range including the near-threshold region. However, the read delay distribution of the SRAM cells under the…

Hardware Architecture · Computer Science 2023-06-16 Shan Shen , Tianxiang Shao , Xiaojing Shang , Yichen Guo , Ming Ling , Jun Yang , Longxing Shi

KEK-ATF is studying the low-emittance multi-bunch electron beam for the future linear collider. In ATF, thermionic gun is used to generate 20 bunches electron beam with the bunch spacing of 2.8 ns. Due to a distortion of the gun emission…

Accelerator Physics · Physics 2007-05-23 M. Kuriki , H. Hayano , T. Naito , K. Hasegawa

Scaling the size of assembled neutral-atom arrays trapped in optical lattices or optical tweezers is an enabling step for a number of applications ranging from quantum simulations to quantum metrology. However, preparation times increase…

This paper proposes a novel computationally efficient algorithm for optimal sizing of Battery Energy Storage Systems (BESS) considering renewable energy bidding strategies. Unlike existing two-stage methods, our algorithm enables the…

Systems and Control · Electrical Eng. & Systems 2026-02-24 Taiyo Mantani , Hikaru Hoshino , Tomonari Kanazawa , Eiko Furutani

Atomic emitter ensembles couple collectively to the radiation field. Although an excitation on a single emitter may be short-lived, a collection of them can contain a photon several orders of magnitude longer than the single emitter…

Quantum Physics · Physics 2024-01-30 Marcel Cech , Igor Lesanovsky , Beatriz Olmos

The High Energy Photon Source (HEPS), is the first fourth-generation storage ring light source being built in the suburb of Beijing, China. The storage ring was designed with the emittance lower than 60 pm.rad with a circumference of 1.36…

Accelerator Physics · Physics 2024-06-07 Yuemei Peng , Daheng Ji , Hongfei Ji , Nan Li , Xiaohan Lu , Saike Tian , Yuanyuan Wei , Haisheng Xu , Yaliang Zhao , Yi Jiao , Jingyi Li

To achieve the true diffraction-limited emittance of a storage ring light source, such as ~10 pm.rad for medium-energy electron beams, within a limited circumference, it is generally necessary to increase the number of bending magnets in a…

Accelerator Physics · Physics 2023-08-22 Zhiliang Ren , Zhenghe Bai , Penghui Yang , Lin Wang , Hongliang Xu

KEK-ATF is doing R&D establishing high-current and low-emittance electron beam for the future linear colliders. In ATF, 15 ps length electron beam is generated by combination of a thermionic gun, a couple of 357 MHz SHBs, and a S-band TW…

Accelerator Physics · Physics 2007-05-23 Masao Kuriki , Hitoshi Hayano , Katsushi Hasegawa

Samples from a high-dimensional AR[1] process are observed by a sender which can communicate only finitely many bits per unit time to a receiver. The receiver seeks to form an estimate of the process value at every time instant in…

Information Theory · Computer Science 2022-02-01 Rooji Jinan , Parimal Parag , Himanshu Tyagi

In recent years, the throughput requirements of e-commerce fulfillment warehouses have seen a steep increase. This has resulted in various automation solutions being developed for item picking and movement. In this paper, we address the…

Robotics · Computer Science 2021-09-28 Avnish Gupta , Akash Jadhav , Pradyot VN Korupolu

In this paper we propose an improved empirical equation for the bunch lengthening in electron storage rings. The comparisons are made between the analytical and experimental results, and the agreements are quite well. This improved equation…

Accelerator Physics · Physics 2007-05-23 Jie Gao

We show, through modeling and simulation, that it is feasible to construct a storage ring that will store dense bunches of strong-field-seeking polar molecules at 30 m/s (kinetic energy of 2K) and hold them, for several minutes, against…

Accelerator Physics · Physics 2009-11-11 Hiroshi Nishimura , Glen Lambertson , Juris G. Kalnins , Harvey Gould

There have been a plethora of research on multi-level memory devices, where the resistive random-access memory (RRAM) is a prominent example. Although it is easy to write an RRAM device into multiple (even quasi-continuous) states, it…

Emerging Technologies · Computer Science 2024-10-29 Yongxiang Li , Shiqing Wang , Zhong Sun

The continuous pumping of atoms into a Bose-Einstein condensate via spontaneous emission from a thermal reservoir is analyzed. We consider the case of atoms with a three-level $\Lambda$ scheme, in which one of the atomic transitions has a…

Quantum Physics · Physics 2009-11-06 L. Santos , F. Floegel , T. Pfau , M. Lewenstein

The High Intensity Gamma-ray Source (HIGS) at Duke University is an accelerator-driven Compton gamma-ray source, providing high flux gamma-ray beam from 1 MeV to 100 MeV for photo-nuclear physics research. The HIGS facility operates three…

Accelerator Physics · Physics 2017-02-01 Wei Li , Hao Hao , Stepan F. Mikhailov , Victor Popov , Wei-Min Li , Ying K. Wu

We present the physical design and systematic optimization of a high-performance storage ring tailored for the generation of high-power coherent radiation, with particular emphasis on the extreme ultraviolet (EUV) regime. The proposed ring…