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Hur, Min Sup
Computational Plasma Lab
Research Interests
  • Laser-Plasma Electron Accelerator and Table-top Femto Hard X-ray generation
  • Plasma-based THz generation
  • PIC and fluid code development
  • Reduced Laser-Plasma modelling
  • Capillary Discharge Systems for Guidied Laser Wakefield Accelerators

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Parametrization of nonlinear and chaotic oscillations in driven beam-plasma diodes

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Title
Parametrization of nonlinear and chaotic oscillations in driven beam-plasma diodes
Author
Hur, Min SupLee, HJLee, JK
Keywords
FREE-ELECTRON LASER; LOW-PRESSURE DISCHARGES; PIERCE DIODE; DYNAMICAL BEHAVIOR; SELF-OSCILLATIONS; PULSE-PROPAGATION; GLOW-DISCHARGE; SIMULATION; TRANSITIONS; CIRCUIT
Issue Date
1998-07
Publisher
American Physical Society
Citation
PHYSICAL REVIEW E - STATISTICAL PHYSICS, PLASMAS, FLUIDS, AND RELATED INTERDISCIPLINARY TOPICS, v.58, no.1, pp.936 - 941
Abstract
Nonlinear phenomena in a driven plasma diode are studied using a fluid code and the particle-in-cell simulation code XPDPI. When a uniform electron beam is injected to a bounded diode filled with uniform ion background, the beam is destabilized by the Pierce instability and a perturbation grows to exhibit nonlinear oscillations including chaos. Two standard routes to chaos, period doubling and quasiperiodicity, are observed. Mode lockings of various winding numbers are observed in an ac driven system. A new diagnostic quantity is used to parametrize various nonlinear oscillations.
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DOI
10.1103/PhysRevE.58.936
ISSN
2470-0045
Appears in Collections:
PHY_Journal Papers
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