Classical disc physics

Details Classical disc physics Classical disc physics

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008newar..52...21l&link_type=abstract

New Astronomy Reviews, Volume 52, Issue 2-5, p. 21-41.

Astronomy and Astrophysics

Astronomy

11

Scientific paper

I review the basic physical processes that determine the evolution of accretion discs. I first introduce the main properties of discs observed around young stars across the mass spectrum. I then turn to the analysis of the fundamental disc equations, highlighting several subtleties, in some cases rarely discussed in textbooks. I then discuss some classic accretion disc solutions, both steady state and time dependent. I emphasise the description of the outbursting FU Orionis objects, the class of protostellar objects best suited to investigating the accretion process. I discuss in some detail the possible physical mechanisms responsible for transport in accretion discs, with particular emphasis on gravitational instabilities, which are rarely discussed in this context.

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