#gravitational physics
topicgravitational physics
2 papers · 1 filter
gr-qc2026
Tidal Love numbers of multi-state Boson stars
Xin-Lei Zhao, Jun-Ru Chen, Yong-Qiang Wang
The paper calculates the electric and magnetic quadrupolar tidal Love numbers of multi‑state boson stars composed of ground‑state and first‑excited‑state scalar fields, examining h…
gr-qc2026
Well-posedness of Ricci Flow in Lorentzian Spacetime and its Entropy Formula
M. J. Luo
The paper extends Perelman’s monotonic entropy functionals to four‑dimensional Lorentzian spacetimes and uses their monotonicity to prove that the coupled Ricci‑flow and conjugate…