Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2008-1-31
pubmed:abstractText
A variational symplectic integrator for the guiding-center motion of charged particles in general magnetic fields is developed for long-time simulation studies of magnetized plasmas. Instead of discretizing the differential equations of the guiding-center motion, the action of the guiding-center motion is discretized and minimized to obtain the iteration rules for advancing the dynamics. The variational symplectic integrator conserves exactly a discrete Lagrangian symplectic structure, and has better numerical properties over long integration time, compared with standard integrators, such as the standard and variable time-step fourth order Runge-Kutta methods.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Jan
pubmed:issn
0031-9007
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
100
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
035006
pubmed:year
2008
pubmed:articleTitle
Variational symplectic integrator for long-time simulations of the guiding-center motion of charged particles in general magnetic fields.
pubmed:affiliation
Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USA.
pubmed:publicationType
Journal Article