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A long-wavelength instability involving the stress tensor
instabilities—cosmic rays—acceleration of particles—ISM: supernova remnants
2011/10/20
Cosmic ray acceleration through first-order Fermi acceleration in a collisionless plasma relies on efficient scattering off magnetic field fluctuations. Scattering is most efficient for magnetic field...
Reynolds stress and heat flux in spherical shell convection
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/27
Turbulent fluxes of angular momentum and heat due to rotationally affected convection play a key role in determining differential rotation of stars.
Boundary stress tensors for spherically symmetric conformal Rindler observers
surface energy conformal Rindler geometry horizon en-tropy equipartition law
2010/3/22
The boundary energy - momentum tensors for a static observer in the conformally flat Rindler geometry are considered. We found the surface energy is positive far form the Planck world but the transver...