Dynamical Rotational Instability at Low $T/W$

Joan M. Centrella, Kimberly C. B. New, Lisa L. Lowe +1

Dynamical instability is shown to occur in differentially rotating polytropes with N = 3.33 and $T/|W|\gtrsim 0.14$. This instability has a strong m=1 mode, although the m=2, 3, a…