scholarly journals Symplectic integration: A new approach to tracing charged particle motion in the geomagnetic field

2001 ◽  
Vol 106 (A11) ◽  
pp. 26075-26079 ◽  
Author(s):  
H. Yugo ◽  
T. Iyemori
Keyword(s):  
Charged Particle ◽  
Particle Motion ◽  
Geomagnetic Field ◽  
Symplectic Integration ◽  
New Approach ◽  
Charged Particle Motion

scholarly journals Distribution of Auroras in the Southern Hemisphere. II. Nightly Probability of Overhead Aurora

1962 ◽  
Vol 15 (2) ◽  
pp. 261 ◽  
Author(s):  
FR Bond ◽  
F Jacka
Keyword(s):  
Charged Particle ◽  
Southern Hemisphere ◽  
Equatorial Plane ◽  
Particle Motion ◽  
Geomagnetic Field ◽  
Integral Invariant ◽  
Probability Of Occurrence ◽  
The Earth ◽  
Charged Particle Motion ◽  
Eccentric Dipole

The probability P of overhead occurrence of aurora during a night is estimated for 22 southern hemisphere stations during the I.G.Y. The distribution of probability of occurrence is represented in terms of three measures of colatitude: 81 is defined in terms of the eccentric dipole representation of the geomagnetic field; 82 is defined in terms of projections from circles in the equatorial plane, along the geomagnetic lines of force, onto the Earth; 83 is defined in terms of the integral invariant f; (I-F IF m)!dl of charged particle motion in the geomagnetic field.

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