Ergodic mixing for turbulent drift motion

Technical Report · Thu Feb 16 04:00:00 EST 1995

DOI:https://doi.org/10.2172/94636· OSTI ID:94636

Isichenko, M B; Petviashvili, N V

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: Texas Univ., 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
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CHARGED-PARTICLE TRANSPORT
ERGODIC HYPOTHESIS
HAMILTON-JACOBI EQUATIONS
HAMILTONIANS
MAGNETIC FIELDS
MIXING
PLASMA DRIFT
TURBULENCE