A symplectic, symmetric algorithm for spatial evolution of particles in a time-dependent field

作者：Ruzzon A; Elskens Y^*; Doveil F

来源：Communications in Nonlinear Science & Numerical Simulation, 2012, 17(2): 769-779.

DOI：10.1016/j.cnsns.2011.06.006

• Symplectic integrator
• Wave-particle interaction
• Hamiltonian chaos
• Resonance overlap
• Traveling wave tube

A symplectic, symmetric, second-order scheme is constructed for particle evolution in a time-dependent field with a fixed spatial step. The scheme is implemented in one space dimension and tested, showing excellent adequacy to experiment analysis. Higher order schemes are deduced by composition.

• 出版日期2012-2