The theory of first order Fermi acceleration at collisionless astrophysical shock fronts is
reviewed. Observations suggest that shock waves in different astrophysical environments …

The notion that plasma shocks in astrophysical settings can and do accelerate charged
particles to high energies is not a new one. However, in recent years considerable progress …

Among the various acceleration mechanisms which have been suggested as responsible for
the nonthermal particle spectra and associated radiation observed in many astrophysical …

Theory of interstellar shocks ADS Classic is now deprecated. It will be completely retired in
October 2019. This page will automatically redirect to the new ADS interface at that point …

The interaction of the solar wind with the local interstellar medium (LISM) is attracting
renewed interest, thanks to the possibility that the Voyager spacecraft may, in the not too …

High-energy neutrinos are detected by the IceCube Observatory in the direction of NGC
1068, the archetypical type II Seyfert galaxy. The neutrino flux, surprisingly, is more than an …

The existence of a “knee” at energy∼ 1 PeV in the cosmic-ray spectrum suggests the
presence of Galactic PeV proton accelerators called “PeVatrons.” Supernova remnant (SNR) …

Monte Carlo shock-like solutions to the Boltzmann equation with collective scatt ADS Classic
is now deprecated. It will be completely retired in October 2019. This page will automatically …

First-order Fermi particle acceleration by relativistic shocks ADS Classic is now deprecated. It will
be completely retired in October 2019. This page will automatically redirect to the new ADS …

The diffusive acceleration of highly relativistic particles at a shock is reconsidered. Using the
same physical assumptions as Blandford and Ostriker (1978), but drop** the restriction to …