The physics of stellar angular momentum transport
Matteo Cantiello (KITP) - October 20, 2014 at 12:10 pm
Stars are born rotating. Understanding how the angular velocity profile changes
during their evolution is key to unravel the details of explosive stellar
deaths (Supernovae and Gamma Ray Bursts) and the properties of stellar remnants
(White Dwarfs, Neutron Stars and Black Holes). In the last couple of years new
exciting results have been obtained by the KEPLER satellite, which through
asteroseismology has provided a measure of the degree of radial differential
rotation in many evolved low-mass stars. I will discuss the physics of
different classes of angular momentum transport mechanism in stars, including
rotational instabilities and circulations, magnetic torques and internal
gravity waves. I will show how the asteroseismic observations can be used to
test these different mechanisms in stellar evolution calculations.
The seminar will be held in B-1 Hearst Field Annex.
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