Physics
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008espm...12.3.24v&link_type=abstract
"12th European Solar Physics Meeting, Freiburg, Germany, held September, 8-12, 2008. Online at http://espm.kis.uni-freiburg.de/,
Physics
Scientific paper
We model network magnetic fields as consisting of individual magnetic flux sheets located in intergranular lanes. With a typical horizontal size of about 150 km at the base of the photosphere, they expand upward and merge with their neighbors at a height of about 600 km. Above a height of approximately 1000 km the magnetic field starts to become uniform. Granular buffeting is thought to excite waves in this medium, which is modeled by means of transversal motions at the lower boundary. The transverse driving, generates both fast and slow waves within the flux sheet and acoustic waves in the ambient medium. We consider flux sheets of different field strengths and different boundary-layer widths. Separating the energy flux of the waves into contributions due to the acoustic flux and the Poynting flux, we show the longitudinal and transversal components of both and study their temporal evolution.
Hasan Sirajul S.
Steiner Oskar
Vigeesh G.
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