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Phys. Rev. E 79, 026407 (2009) [7 pages]

Dressed-particle approach in the nonrelativistic classical limit

I. Y. Dodin and N. J. Fisch
Department of Astrophysical Sciences, Princeton University, Princeton, New Jersey 08544, USA
Received 28 October 2008; published 26 February 2009

For a nonrelativistic classical particle undergoing arbitrary oscillations in external fields, the generalized effective potential Psi is derived through calculating the nonlinear eigenfrequencies of the particle-field system. Specifically, the ponderomotive potential is extended to a nonlinear oscillator, resulting in multiple branches near the primary resonance. For a pair of particle natural frequencies in a beat resonance, Psi scales linearly with the internal actions and is analogous to the dipole potential for a two-level quantum system. Thus cold quantum particles and highly excited quasiclassical objects permit uniform manipulation tools, particularly, one-way walls.

©2009 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevE.79.026407
DOI: 10.1103/PhysRevE.79.026407
PACS: 52.35.Mw; 05.45.-a; 45.20.Jj; 45.05.+x
  • 52.35.Mw
    Nonlinear phenomena: plasma waves, wave propagation and other interactions
  • 05.45.-a
    Nonlinear dynamics and chaos
  • 45.20.Jj
    Lagrangian and Hamiltonian mechanics
  • 45.05.+x
    General theory of classical mechanics of discrete systems
  • YEAR: 2009
KEYWORDS: eigenvalues and eigenfunctions, nonlinear dynamical systems

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