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The Integrable Optics Test Accelerator (IOTA) is a research storage ring constructed and operated at Fermilab to demonstrate the advantages of nonlinear integrable lattices. One of the nonlinear lattice configurations with one integral of…

加速器物理 · 物理学 2022-08-31 J. N. Wieland , J. D. Jarvis , A. L. Romanov , A. Valishev

The use of nonlinear lattices with large betatron tune spreads can increase instability and space charge thresholds due to improved Landau damping. Unfortunately, the majority of nonlinear accelerator lattices turn out to be nonintegrable,…

加速器物理 · 物理学 2013-01-30 S. Nagaitsev , A. Valishev , V. V. Danilov , D. N. Shatilov

Nonlinear, completely integrable Hamiltonian systems that serve as blueprints for novel particle accelerators at the intensity frontier are promising avenues for research, as Fermilab's Integrable Optics Test Accelerator (IOTA) example…

加速器物理 · 物理学 2024-07-08 Bela Erdelyi , Kevin Hamilton , Jacob Pratscher , Marie Swartz

The Integrable Optics Test Accelerator (IOTA) at the Fermilab Accelerator Science & Technology (FAST) Facility is beginning operations, with an experimental program aimed at developing technology to enable future high intensity particle…

加速器物理 · 物理学 2019-03-15 Ben Freemire , Jeffrey Eldred

The Integrable Optics Test Accelerator (IOTA) is a storage ring for advanced beam physics research currently being built and commissioned at Fermilab. It will operate with protons and electrons using injectors with momenta of 70 and 150…

Recently, the study of integrable Hamiltonian systems has led to nonlinear accelerator lattices with one or two transverse invariants and wide stable tune spreads. These lattices may drastically improve the performance of high-intensity…

加速器物理 · 物理学 2015-11-06 G. Stancari , A. Burov , V. Lebedev , S. Nagaitsev , E. Prebys , A. Valishev

At Integrable Optics Test Accelerator it is possible to create a nonlinear focusing optics with one invariant of motion using just conventional magnets. 6D simulations show that this will allow to achieve a tune spread of 0.05 without…

加速器物理 · 物理学 2015-02-06 S. A. Antipov , S. Nagaitsev , A. Valishev

Fermilab is constructing the Integrable Optics Test Accelerator (IOTA) as the centerpiece of the Accelerator R&D Program towards high-intensity circular machines. One of the factors limiting the beam intensity in present circular…

加速器物理 · 物理学 2017-04-26 Sergey A. Antipov , Sergei Nagaitsev , Alexander Valishev

The Integrable Optics Test Accelerator (IOTA) at Fermilab is a small machine dedicated to a broad frontier accelerator physics program. An important aspect of this program is to investigate the potential benefits of the resonance free tune…

加速器物理 · 物理学 2022-01-06 David Feigelson , Tanaji Sen , Jean-Francois Ostiguy , Runze Li

Nonlinear integrable optics (NIO) are a promising novel approach at improving the stability of high intensity beams. Implementations of NIO based on specialized magnetic elements are being tested at the Integrable Optics Test Accelerator…

As in the case of soliton PDEs in 2+1 dimensions, the evolutionary form of integrable dispersionless multidimensional PDEs is non-local, and the proper choice of integration constants should be the one dictated by the associated Inverse…

可精确求解与可积系统 · 物理学 2018-05-01 P. G. Grinevich , P. M. Santini

We introduce a family of implicit probabilistic integrators for initial value problems (IVPs), taking as a starting point the multistep Adams-Moulton method. The implicit construction allows for dynamic feedback from the forthcoming…

统计方法学 · 统计学 2019-04-19 Onur Teymur , Han Cheng Lie , Tim Sullivan , Ben Calderhead

We propose a new concept for determining the interior magnetic field vector components in neutron electric dipole moment experiments. If a closed three-dimensional boundary surface surrounding the fiducial volume of an experiment can be…

核实验 · 物理学 2013-09-24 B. Plaster

A transient magneto-quasistatic vector potential formulation involving nonlinear material is spatially discretized using the finite element method of first and second polynomial order. By applying a generalized Schur complement the…

计算工程、金融与科学 · 计算机科学 2020-11-09 Bernhard Kähne , Markus Clemens , Sebastian Schöps

The McMillan system is a novel method to increase the tune spread of a beam without decreasing its dynamic aperture due to the systems integrability. While the ideal system is based on an infinitely thin kick, the physical design requires a…

加速器物理 · 物理学 2022-09-02 B. Cathey , G. Stancari , T. Zolkin

Optimal transport (OT) formalizes the problem of finding an optimal coupling between probability measures given a cost matrix. The inverse problem of inferring the cost given a coupling is Inverse Optimal Transport (IOT). IOT is less well…

机器学习 · 统计学 2022-06-22 Wei-Ting Chiu , Pei Wang , Patrick Shafto

Optical vector analysis (OVA) is an enabling technology for comprehensively characterizing both amplitude and phase responses of optical devices or systems. Conventional OVA technologies are mostly based on discrete optoelectronic…

This article is concerned with a new filtered two-step variational integrator for solving the charged-particle dynamics in a mildly non-uniform moderate or strong magnetic field with a dimensionless parameter $\varepsilon$ inversely…

数值分析 · 数学 2026-03-05 Ting Li , Bin Wang

We present the differences between Input-Output formalism (IOF) and Incoherent Pumping Mechanism (IPM) derived from Lindblad Master Equation approach in terms of the transmission spectrum of Coupled high-Q Cavity with Quantum Dot system in…

量子物理 · 物理学 2017-12-12 A. Tugen , S. Kocaman

Laplace interpolation is a popular approach in image inpainting using partial differential equations. The classic approach considers the Laplace equation with mixed boundary conditions. Recently a more general formulation has been proposed…

偏微分方程分析 · 数学 2018-01-30 Laurent Hoeltgen , Andreas Kleefeld , Isaac Harris , Michael Breuß
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