Sandip Dutta

1. Viscous Accretion Disks around Regular Black Holes Embedded in a Quintessence Dark Energy Field: Beyond the Novikov--Thorne Approximation
   2026/07/17 by Sandip Dutta
   #gr-qc #hep-th
2. Breaking the Degeneracy: Spectral Hardening of Accretion Disks around Rotating Hayward Black Holes in Dark Matter Halos
   2026/07/15 by Sandip Dutta
   #gr-qc #hep-th