The Lu & Hamilton Solar Flare model revisited: clustering properties

MORALES, L. F.; SANTOS, NOELIA

Buenos Aires

Conferencia; 11 th Latin American Conference on Space Geophysics; 2018

Asociación Latinoamericana de Geofísica Espacial

p { margin-bottom: 0.25cm; direction: ltr; color: rgb(0, 0, 0); line-height: 120%; }p.western { font-family: "Liberation Serif","Times New Roman",serif; font-size: 12pt; }p.cjk { font-family: "Noto Sans CJK SC Regular"; font-size: 12pt; }p.ctl { font-family: "FreeSans"; font-size: 12pt; }SinceLu and Hamilton (1991, 1995) developed their seminal work statingthat the solar corona could be in a state a Self OrganizedCriticality (SOC) and that Parker?s picture of corona heatringcould be represented by means of a cellular automaton in a SOCregime.Recentobservations on rain precipitation, brain activity and forest firemodels have suggested that SOC systems might wander around thevicinity of criticality and that critical behavior could beinterpreted in terms of peaked susceptibilities.Inthis work we studythe clustering properties emerging by typical Lu & Hamilton 2Dmodel for several lattice sizes and thresholds. Wefocus on studying the residence time distribution, the orderparameter and the dynamics of the active clusters as well as itsstatistical properties. Moreover we characterize the type of ordertransition observed.