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Title: Parametric Landau damping of space charge modes

Abstract

Landau damping is the mechanism of plasma and beam stabilization; it arises through energy transfer from collective modes to the incoherent motion of resonant particles. Normally this resonance requires the resonant particle's frequency to match the collective mode frequency. We have identified an important new damping mechanism, parametric Landau damping, which is driven by the modulation of the mode-particle interaction. This reveals new possibilities for stability control through manipulation of both particle and mode-particle coupling spectra. In conclusion, we demonstrate the existence of parametric Landau damping in a simulation of transverse coherent modes of bunched accelerator beams with space charge.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1418393
Alternate Identifier(s):
OSTI ID: 1402483
Report Number(s):
FERMILAB-PUB-16-391-APC-CD; arXiv:1609.09393
Journal ID: ISSN 2469-9888; PRABCJ; 011004
Grant/Contract Number:  
AC02-07CH11359; AC02-06CH11357
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 21 Journal Issue: 1; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Macridin, Alexandru, Burov, Alexey, Stern, Eric, Amundson, James, and Spentzouris, Panagiotis. Parametric Landau damping of space charge modes. United States: N. p., 2018. Web. doi:10.1103/PhysRevAccelBeams.21.011004.
Macridin, Alexandru, Burov, Alexey, Stern, Eric, Amundson, James, & Spentzouris, Panagiotis. Parametric Landau damping of space charge modes. United States. doi:10.1103/PhysRevAccelBeams.21.011004.
Macridin, Alexandru, Burov, Alexey, Stern, Eric, Amundson, James, and Spentzouris, Panagiotis. Mon . "Parametric Landau damping of space charge modes". United States. doi:10.1103/PhysRevAccelBeams.21.011004.
@article{osti_1418393,
title = {Parametric Landau damping of space charge modes},
author = {Macridin, Alexandru and Burov, Alexey and Stern, Eric and Amundson, James and Spentzouris, Panagiotis},
abstractNote = {Landau damping is the mechanism of plasma and beam stabilization; it arises through energy transfer from collective modes to the incoherent motion of resonant particles. Normally this resonance requires the resonant particle's frequency to match the collective mode frequency. We have identified an important new damping mechanism, parametric Landau damping, which is driven by the modulation of the mode-particle interaction. This reveals new possibilities for stability control through manipulation of both particle and mode-particle coupling spectra. In conclusion, we demonstrate the existence of parametric Landau damping in a simulation of transverse coherent modes of bunched accelerator beams with space charge.},
doi = {10.1103/PhysRevAccelBeams.21.011004},
journal = {Physical Review Accelerators and Beams},
number = 1,
volume = 21,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevAccelBeams.21.011004

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