2 papers
astro-ph.SR2025
Kozai Lidov Cycles = Simple Pendulum
Roi D. Basha, Ygal Y. Klein, Boaz Katz
The quadrupole Kozai mechanism, which describes the hierarchical three-body problem in the leading order, is shown to be equivalent to a simple pendulum where the change in the ecc…
hep-th2018
High Energy Reflection Coefficients of Black Holes and Branes
Roi Basha, Nissan Itzhaki, Lior Liram
We study the reflection coefficient associated with a wave that scatters off various black holes in general relativity. We show that for large energies, compared to the scale set b…