Ergodic mixing for turbulent drift motion
The statistical properties of the long-time chaotic two-dimensional (2D) drift motion of a charged particle in an inhomogeneous magnetic field {beta}(x,y) and a time-dependent electrostatic potential {phi}(x,y,t) are studied by numerical symplectic integration. For a conditionally periodic potential with two or more incommensurate frequencies, an ergodic behavior is demonstrated in which the probability density of the particle position is proportional to the magnetic field {beta}. The accuracy of this prediction is found to be independent of the number N{sub {omega}} of the incommensurate frequencies for N{sub {omega}} {ge}2.
- Research Organization:
- Univ. of Texas, Austin, TX (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG05-88ER53266
- OSTI ID:
- 94636
- Report Number(s):
- DOE/ER/53266-51; FRCR-460; ON: DE95012143; TRN: 95:018432
- Resource Relation:
- Other Information: PBD: 16 Feb 1995
- Country of Publication:
- United States
- Language:
- English
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