Periodic Orbits Around Kerr Sen Black Holes*

Chang-Qing Liu,Chi-Kun Ding,Ji-Liang Jing

Fig. 6 (Color online) A series of periodic orbits with $a=0.6$, $b=0.18$, $L=3$, $M=1$. Notice that the high $z$ orbits look like precessions of the energetically closest low $z$.