2 papers
astro-ph.EP2026
Eccentric Disks With Self-Gravity
Yoram Lithwick, Eugene Chiang, Leon Mikulinsky +1
Can a disk orbiting a central body be eccentric, when the disk feels its own self-gravity and is pressureless? Contradictory answers appear in the literature. We show that such a d…
gr-qc2025
The parameterized quasinormal modes for modified Teukolsky equations
Zhe Yu, Liang-Bi Wu
We introduce the modified Teukolsky equation within a parameterized framework, analogous to the case of small deviations of potential in spherical symmetry. Both the radial and ang…