Boxy/peanut shaping of a mature galactic bar in action-angle space

Viktor D. Zozulia, Anton A. Smirnov, Natalia Ya. Sotnikova +1

We study vertical resonant trapping and resonant heating of orbits. These two processes both lead to the growth of a boxy/peanut-shaped bulge in a typical $N$-body model. For the f…