Symplectic modeling of beam loading in electromagnetic cavities

Symplectic modeling of beam loading in electromagnetic cavities

Simulating beam loading in radio frequency accelerating structures is critical for understanding higher-order mode effects on beam dynamics, such as beam break-up instability in energy recovery linacs. Full wave simulations of beam loading in radio frequency structures are computationally expensive,...

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Bibliographic Details
Main Authors: Dan T. Abell, Nathan M. Cook, Stephen D. Webb
Format: Article
Language:English
Published: American Physical Society 2017-05-01
Series:Physical Review Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevAccelBeams.20.052002
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spelling doaj-3e0e414292914564afae475aa0576ee32020-11-24T23:27:58ZengAmerican Physical SocietyPhysical Review Accelerators and Beams2469-98882017-05-0120505200210.1103/PhysRevAccelBeams.20.052002Symplectic modeling of beam loading in electromagnetic cavitiesDan T. AbellNathan M. CookStephen D. WebbSimulating beam loading in radio frequency accelerating structures is critical for understanding higher-order mode effects on beam dynamics, such as beam break-up instability in energy recovery linacs. Full wave simulations of beam loading in radio frequency structures are computationally expensive, while reduced models can ignore essential physics and can be difficult to generalize. We present a self-consistent algorithm derived from the least-action principle which can model an arbitrary number of cavity eigenmodes and with a generic beam distribution. It has been implemented in our new Open Library for Invesitigating Vacuum Electronics (OLIVE).http://doi.org/10.1103/PhysRevAccelBeams.20.052002
collection DOAJ
language English
format Article
sources DOAJ
author Dan T. Abell
Nathan M. Cook
Stephen D. Webb
spellingShingle Dan T. Abell
Nathan M. Cook
Stephen D. Webb
Symplectic modeling of beam loading in electromagnetic cavities
Physical Review Accelerators and Beams
author_facet Dan T. Abell
Nathan M. Cook
Stephen D. Webb
author_sort Dan T. Abell
title Symplectic modeling of beam loading in electromagnetic cavities
title_short Symplectic modeling of beam loading in electromagnetic cavities
title_full Symplectic modeling of beam loading in electromagnetic cavities
title_fullStr Symplectic modeling of beam loading in electromagnetic cavities
title_full_unstemmed Symplectic modeling of beam loading in electromagnetic cavities
title_sort symplectic modeling of beam loading in electromagnetic cavities
publisher American Physical Society
series Physical Review Accelerators and Beams
issn 2469-9888
publishDate 2017-05-01
description Simulating beam loading in radio frequency accelerating structures is critical for understanding higher-order mode effects on beam dynamics, such as beam break-up instability in energy recovery linacs. Full wave simulations of beam loading in radio frequency structures are computationally expensive, while reduced models can ignore essential physics and can be difficult to generalize. We present a self-consistent algorithm derived from the least-action principle which can model an arbitrary number of cavity eigenmodes and with a generic beam distribution. It has been implemented in our new Open Library for Invesitigating Vacuum Electronics (OLIVE).
url http://doi.org/10.1103/PhysRevAccelBeams.20.052002
work_keys_str_mv AT dantabell symplecticmodelingofbeamloadinginelectromagneticcavities
AT nathanmcook symplecticmodelingofbeamloadinginelectromagneticcavities
AT stephendwebb symplecticmodelingofbeamloadinginelectromagneticcavities
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