2 papers
gr-qc2025
Dynamical Wormhole Solutions in Gravity
Yaghoub Heydarzade, Maryam Ranjbar
A class of theories extends the Einstein-Hilbert action by incorporating a general function of and , the Ricci scalar and the trace of the ordinary energy-momentum…
gr-qc2025
Non-Vacuum Solutions in Cotton Theory
Serkan Doruk Hazinedar, Yaghoub Heydarzade, Maryam Ranjbar
Cotton theory (CT) introduces a higher derivative extension of General Relativity (GR) characterized by third-rank field equations. Recently, key distinctions between CT and GR con…